Finding the Third Proportional to 31,317.75 and 48,502.13

Step by Step Solution

1. Step 1: Write the proportion equation
   31,317.75 : 48,502.13 = 48,502.13 : x
2. Step 2: Convert to fraction form
   31,317.75/48,502.13 = 48,502.13/x
3. Step 3: Cross multiply
   31,317.75x = 48,502.13 × 48,502.13
4. Step 4: Simplify right side
   31,317.75x = 2,352,456,129.52
5. Step 5: Solve for x
   x = 2,352,456,129.52/31,317.75
6. Step 6: Final answer
   x = 75,115.75