Finding the Third Proportional to 131,632.50 and 284,280

Step by Step Solution

1. Step 1: Write the proportion equation
   131,632.50 : 284,280 = 284,280 : x
2. Step 2: Convert to fraction form
   131,632.50/284,280 = 284,280/x
3. Step 3: Cross multiply
   131,632.50x = 284,280 × 284,280
4. Step 4: Simplify right side
   131,632.50x = 80,815,118,400
5. Step 5: Solve for x
   x = 80,815,118,400/131,632.50
6. Step 6: Final answer
   x = 613,945.02