Finding the Third Proportional to 7,132.50 and 10,689.75

Step by Step Solution

1. Step 1: Write the proportion equation
   7,132.50 : 10,689.75 = 10,689.75 : x
2. Step 2: Convert to fraction form
   7,132.50/10,689.75 = 10,689.75/x
3. Step 3: Cross multiply
   7,132.50x = 10,689.75 × 10,689.75
4. Step 4: Simplify right side
   7,132.50x = 114,270,755.06
5. Step 5: Solve for x
   x = 114,270,755.06/7,132.50
6. Step 6: Final answer
   x = 16,021.14