Finding the Third Proportional to 131,543.50 and 284,105

Step by Step Solution

1. Step 1: Write the proportion equation
   131,543.50 : 284,105 = 284,105 : x
2. Step 2: Convert to fraction form
   131,543.50/284,105 = 284,105/x
3. Step 3: Cross multiply
   131,543.50x = 284,105 × 284,105
4. Step 4: Simplify right side
   131,543.50x = 80,715,651,025
5. Step 5: Solve for x
   x = 80,715,651,025/131,543.50
6. Step 6: Final answer
   x = 613,604.25