Definition:Geometric Mean/Mean Proportional/General Definition

Definition
In the language of Euclid, the terms of a (finite) geometric progression of positive integers between (and not including) the first and last terms are called mean proportionals.

Historical Note
This extension of the definition of a mean proportional is never made specifically in Euclid's, but introduced without definition in Between two Cubes exist two Mean Proportionals.

Also see

 * Definition:Mean