Finding the Third Proportional to 62,737.50 and 128,532

Step by Step Solution

1. Step 1: Write the proportion equation
   62,737.50 : 128,532 = 128,532 : x
2. Step 2: Convert to fraction form
   62,737.50/128,532 = 128,532/x
3. Step 3: Cross multiply
   62,737.50x = 128,532 × 128,532
4. Step 4: Simplify right side
   62,737.50x = 16,520,475,024
5. Step 5: Solve for x
   x = 16,520,475,024/62,737.50
6. Step 6: Final answer
   x = 263,326.96