Finding the Third Proportional to 20,371.92 and 31,480.52

Step by Step Solution

1. Step 1: Write the proportion equation
   20,371.92 : 31,480.52 = 31,480.52 : x
2. Step 2: Convert to fraction form
   20,371.92/31,480.52 = 31,480.52/x
3. Step 3: Cross multiply
   20,371.92x = 31,480.52 × 31,480.52
4. Step 4: Simplify right side
   20,371.92x = 991,023,355.90
5. Step 5: Solve for x
   x = 991,023,355.90/20,371.92
6. Step 6: Final answer
   x = 48,646.53