Finding the Third Proportional to 71,892.50 and 155,685

Step by Step Solution

1. Step 1: Write the proportion equation
   71,892.50 : 155,685 = 155,685 : x
2. Step 2: Convert to fraction form
   71,892.50/155,685 = 155,685/x
3. Step 3: Cross multiply
   71,892.50x = 155,685 × 155,685
4. Step 4: Simplify right side
   71,892.50x = 24,237,819,225
5. Step 5: Solve for x
   x = 24,237,819,225/71,892.50
6. Step 6: Final answer
   x = 337,139.75