Finding the Third Proportional to 31,559 and 67,496

Step by Step Solution

1. Step 1: Write the proportion equation
   31,559 : 67,496 = 67,496 : x
2. Step 2: Convert to fraction form
   31,559/67,496 = 67,496/x
3. Step 3: Cross multiply
   31,559x = 67,496 × 67,496
4. Step 4: Simplify right side
   31,559x = 4,555,710,016
5. Step 5: Solve for x
   x = 4,555,710,016/31,559
6. Step 6: Final answer
   x = 144,355.33