Finding the Third Proportional to 131,092 and 284,428

Step by Step Solution

1. Step 1: Write the proportion equation
   131,092 : 284,428 = 284,428 : x
2. Step 2: Convert to fraction form
   131,092/284,428 = 284,428/x
3. Step 3: Cross multiply
   131,092x = 284,428 × 284,428
4. Step 4: Simplify right side
   131,092x = 80,899,287,184
5. Step 5: Solve for x
   x = 80,899,287,184/131,092
6. Step 6: Final answer
   x = 617,118.41