Finding the Third Proportional to 31,235.50 and 65,957

Step by Step Solution

1. Step 1: Write the proportion equation
   31,235.50 : 65,957 = 65,957 : x
2. Step 2: Convert to fraction form
   31,235.50/65,957 = 65,957/x
3. Step 3: Cross multiply
   31,235.50x = 65,957 × 65,957
4. Step 4: Simplify right side
   31,235.50x = 4,350,325,849
5. Step 5: Solve for x
   x = 4,350,325,849/31,235.50
6. Step 6: Final answer
   x = 139,275.05