Finding the Third Proportional to 31,083.75 and 65,863.13

Step by Step Solution

1. Step 1: Write the proportion equation
   31,083.75 : 65,863.13 = 65,863.13 : x
2. Step 2: Convert to fraction form
   31,083.75/65,863.13 = 65,863.13/x
3. Step 3: Cross multiply
   31,083.75x = 65,863.13 × 65,863.13
4. Step 4: Simplify right side
   31,083.75x = 4,337,951,234.77
5. Step 5: Solve for x
   x = 4,337,951,234.77/31,083.75
6. Step 6: Final answer
   x = 139,556.88