Finding the Third Proportional to 31,747 and 69,725

Step by Step Solution

1. Step 1: Write the proportion equation
   31,747 : 69,725 = 69,725 : x
2. Step 2: Convert to fraction form
   31,747/69,725 = 69,725/x
3. Step 3: Cross multiply
   31,747x = 69,725 × 69,725
4. Step 4: Simplify right side
   31,747x = 4,861,575,625
5. Step 5: Solve for x
   x = 4,861,575,625/31,747
6. Step 6: Final answer
   x = 153,134.96