Finding the Third Proportional to 31,139.02 and 48,348.14

Step by Step Solution

1. Step 1: Write the proportion equation
   31,139.02 : 48,348.14 = 48,348.14 : x
2. Step 2: Convert to fraction form
   31,139.02/48,348.14 = 48,348.14/x
3. Step 3: Cross multiply
   31,139.02x = 48,348.14 × 48,348.14
4. Step 4: Simplify right side
   31,139.02x = 2,337,542,701.89
5. Step 5: Solve for x
   x = 2,337,542,701.89/31,139.02
6. Step 6: Final answer
   x = 75,067.97