Finding the Third Proportional to 131,545 and 284,111

Step by Step Solution

1. Step 1: Write the proportion equation
   131,545 : 284,111 = 284,111 : x
2. Step 2: Convert to fraction form
   131,545/284,111 = 284,111/x
3. Step 3: Cross multiply
   131,545x = 284,111 × 284,111
4. Step 4: Simplify right side
   131,545x = 80,719,060,321
5. Step 5: Solve for x
   x = 80,719,060,321/131,545
6. Step 6: Final answer
   x = 613,623.17