Finding the Third Proportional to 31,637.25 and 69,545.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,637.25 : 69,545.25 = 69,545.25 : x
2. Step 2: Convert to fraction form
   31,637.25/69,545.25 = 69,545.25/x
3. Step 3: Cross multiply
   31,637.25x = 69,545.25 × 69,545.25
4. Step 4: Simplify right side
   31,637.25x = 4,836,541,797.56
5. Step 5: Solve for x
   x = 4,836,541,797.56/31,637.25
6. Step 6: Final answer
   x = 152,874.91