Finding the Third Proportional to 131,969 and 287,754

Step by Step Solution

1. Step 1: Write the proportion equation
   131,969 : 287,754 = 287,754 : x
2. Step 2: Convert to fraction form
   131,969/287,754 = 287,754/x
3. Step 3: Cross multiply
   131,969x = 287,754 × 287,754
4. Step 4: Simplify right side
   131,969x = 82,802,364,516
5. Step 5: Solve for x
   x = 82,802,364,516/131,969
6. Step 6: Final answer
   x = 627,437.99