Finding the Third Proportional to 31,863.38 and 65,108.81

Step by Step Solution

1. Step 1: Write the proportion equation
   31,863.38 : 65,108.81 = 65,108.81 : x
2. Step 2: Convert to fraction form
   31,863.38/65,108.81 = 65,108.81/x
3. Step 3: Cross multiply
   31,863.38x = 65,108.81 × 65,108.81
4. Step 4: Simplify right side
   31,863.38x = 4,239,157,465.16
5. Step 5: Solve for x
   x = 4,239,157,465.16/31,863.38
6. Step 6: Final answer
   x = 133,041.70