Finding the Third Proportional to 2,788.59 and 3,700.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,788.59 : 3,700.69 = 3,700.69 : x
2. Step 2: Convert to fraction form
   2,788.59/3,700.69 = 3,700.69/x
3. Step 3: Cross multiply
   2,788.59x = 3,700.69 × 3,700.69
4. Step 4: Simplify right side
   2,788.59x = 13,695,087.97
5. Step 5: Solve for x
   x = 13,695,087.97/2,788.59
6. Step 6: Final answer
   x = 4,911.11