Finding the Third Proportional to 39,423 and 59,545

Step by Step Solution

1. Step 1: Write the proportion equation
   39,423 : 59,545 = 59,545 : x
2. Step 2: Convert to fraction form
   39,423/59,545 = 59,545/x
3. Step 3: Cross multiply
   39,423x = 59,545 × 59,545
4. Step 4: Simplify right side
   39,423x = 3,545,607,025
5. Step 5: Solve for x
   x = 3,545,607,025/39,423
6. Step 6: Final answer
   x = 89,937.52