Finding the Third Proportional to 249,882 and 397,417.50

Step by Step Solution

1. Step 1: Write the proportion equation
   249,882 : 397,417.50 = 397,417.50 : x
2. Step 2: Convert to fraction form
   249,882/397,417.50 = 397,417.50/x
3. Step 3: Cross multiply
   249,882x = 397,417.50 × 397,417.50
4. Step 4: Simplify right side
   249,882x = 157,940,669,306.25
5. Step 5: Solve for x
   x = 157,940,669,306.25/249,882
6. Step 6: Final answer
   x = 632,061.01