Finding the Third Proportional to 31,733.25 and 67,542

Step by Step Solution

1. Step 1: Write the proportion equation
   31,733.25 : 67,542 = 67,542 : x
2. Step 2: Convert to fraction form
   31,733.25/67,542 = 67,542/x
3. Step 3: Cross multiply
   31,733.25x = 67,542 × 67,542
4. Step 4: Simplify right side
   31,733.25x = 4,561,921,764
5. Step 5: Solve for x
   x = 4,561,921,764/31,733.25
6. Step 6: Final answer
   x = 143,758.42