Finding the Third Proportional to 131,941.69 and 287,565.19

Step by Step Solution

1. Step 1: Write the proportion equation
   131,941.69 : 287,565.19 = 287,565.19 : x
2. Step 2: Convert to fraction form
   131,941.69/287,565.19 = 287,565.19/x
3. Step 3: Cross multiply
   131,941.69x = 287,565.19 × 287,565.19
4. Step 4: Simplify right side
   131,941.69x = 82,693,737,061.91
5. Step 5: Solve for x
   x = 82,693,737,061.91/131,941.69
6. Step 6: Final answer
   x = 626,744.58