Finding the Third Proportional to 131,963 and 287,744

Step by Step Solution

1. Step 1: Write the proportion equation
   131,963 : 287,744 = 287,744 : x
2. Step 2: Convert to fraction form
   131,963/287,744 = 287,744/x
3. Step 3: Cross multiply
   131,963x = 287,744 × 287,744
4. Step 4: Simplify right side
   131,963x = 82,796,609,536
5. Step 5: Solve for x
   x = 82,796,609,536/131,963
6. Step 6: Final answer
   x = 627,422.91