Finding the Third Proportional to 79,360 and 108,820

Step by Step Solution

1. Step 1: Write the proportion equation
   79,360 : 108,820 = 108,820 : x
2. Step 2: Convert to fraction form
   79,360/108,820 = 108,820/x
3. Step 3: Cross multiply
   79,360x = 108,820 × 108,820
4. Step 4: Simplify right side
   79,360x = 11,841,792,400
5. Step 5: Solve for x
   x = 11,841,792,400/79,360
6. Step 6: Final answer
   x = 149,216.13