Finding the Third Proportional to 31,281.75 and 65,152.13

Step by Step Solution

1. Step 1: Write the proportion equation
   31,281.75 : 65,152.13 = 65,152.13 : x
2. Step 2: Convert to fraction form
   31,281.75/65,152.13 = 65,152.13/x
3. Step 3: Cross multiply
   31,281.75x = 65,152.13 × 65,152.13
4. Step 4: Simplify right side
   31,281.75x = 4,244,799,392.02
5. Step 5: Solve for x
   x = 4,244,799,392.02/31,281.75
6. Step 6: Final answer
   x = 135,695.71