Finding the Third Proportional to 31,732.50 and 67,540.13

Step by Step Solution

1. Step 1: Write the proportion equation
   31,732.50 : 67,540.13 = 67,540.13 : x
2. Step 2: Convert to fraction form
   31,732.50/67,540.13 = 67,540.13/x
3. Step 3: Cross multiply
   31,732.50x = 67,540.13 × 67,540.13
4. Step 4: Simplify right side
   31,732.50x = 4,561,668,485.02
5. Step 5: Solve for x
   x = 4,561,668,485.02/31,732.50
6. Step 6: Final answer
   x = 143,753.83