Finding the Third Proportional to 31,250 and 67,117

Step by Step Solution

1. Step 1: Write the proportion equation
   31,250 : 67,117 = 67,117 : x
2. Step 2: Convert to fraction form
   31,250/67,117 = 67,117/x
3. Step 3: Cross multiply
   31,250x = 67,117 × 67,117
4. Step 4: Simplify right side
   31,250x = 4,504,691,689
5. Step 5: Solve for x
   x = 4,504,691,689/31,250
6. Step 6: Final answer
   x = 144,150.13