Finding the Third Proportional to 131,702 and 284,144

Step by Step Solution

1. Step 1: Write the proportion equation
   131,702 : 284,144 = 284,144 : x
2. Step 2: Convert to fraction form
   131,702/284,144 = 284,144/x
3. Step 3: Cross multiply
   131,702x = 284,144 × 284,144
4. Step 4: Simplify right side
   131,702x = 80,737,812,736
5. Step 5: Solve for x
   x = 80,737,812,736/131,702
6. Step 6: Final answer
   x = 613,034.07