"A proposal essay is simply a statement in writing that serves the purpose of attempting to convince a reader that a product, project or investment is a good idea."
Other Helpful Links
For more on the process of putting together a proposal essay see pp. 214-233 in The Curious Writer (Ballenger). This chapter contains great ideas for brainstorming, writing and researching such an essay and includes samples of a proposal paper from start (first draft) to finish. Copies of this text are located in the Course Reserves at the Circulation Desk @ the Library and are available for use by students with a valid Raider Card. See link here.
For more on writing a proposal essay see The Composition of Everyday Life (Metz), Chapter 11, pp. 350-381. See link here.
Another great resourse can be found online at the Hub Pages website. This user-friendly website includes the important sections of a proposal essay and includes and example of a typical paper from start to finish. See link here.