Finding the Third Proportional to 31,567 and 67,569

Step by Step Solution

1. Step 1: Write the proportion equation
   31,567 : 67,569 = 67,569 : x
2. Step 2: Convert to fraction form
   31,567/67,569 = 67,569/x
3. Step 3: Cross multiply
   31,567x = 67,569 × 67,569
4. Step 4: Simplify right side
   31,567x = 4,565,569,761
5. Step 5: Solve for x
   x = 4,565,569,761/31,567
6. Step 6: Final answer
   x = 144,631.09