Finding the Third Proportional to 87,734.50 and 132,391.50

Step by Step Solution

1. Step 1: Write the proportion equation
   87,734.50 : 132,391.50 = 132,391.50 : x
2. Step 2: Convert to fraction form
   87,734.50/132,391.50 = 132,391.50/x
3. Step 3: Cross multiply
   87,734.50x = 132,391.50 × 132,391.50
4. Step 4: Simplify right side
   87,734.50x = 17,527,509,272.25
5. Step 5: Solve for x
   x = 17,527,509,272.25/87,734.50
6. Step 6: Final answer
   x = 199,778.98