Finding the Third Proportional to 79,568 and 111,540

Step by Step Solution

1. Step 1: Write the proportion equation
   79,568 : 111,540 = 111,540 : x
2. Step 2: Convert to fraction form
   79,568/111,540 = 111,540/x
3. Step 3: Cross multiply
   79,568x = 111,540 × 111,540
4. Step 4: Simplify right side
   79,568x = 12,441,171,600
5. Step 5: Solve for x
   x = 12,441,171,600/79,568
6. Step 6: Final answer
   x = 156,358.98