Finding the Third Proportional to 79,570 and 111,542

Step by Step Solution

1. Step 1: Write the proportion equation
   79,570 : 111,542 = 111,542 : x
2. Step 2: Convert to fraction form
   79,570/111,542 = 111,542/x
3. Step 3: Cross multiply
   79,570x = 111,542 × 111,542
4. Step 4: Simplify right side
   79,570x = 12,441,617,764
5. Step 5: Solve for x
   x = 12,441,617,764/79,570
6. Step 6: Final answer
   x = 156,360.66