Finding the Third Proportional to 60,639 and 131,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,639 : 131,401.50 = 131,401.50 : x
2. Step 2: Convert to fraction form
   60,639/131,401.50 = 131,401.50/x
3. Step 3: Cross multiply
   60,639x = 131,401.50 × 131,401.50
4. Step 4: Simplify right side
   60,639x = 17,266,354,202.25
5. Step 5: Solve for x
   x = 17,266,354,202.25/60,639
6. Step 6: Final answer
   x = 284,740.09