Finding the Third Proportional to 72,644 and 111,080

Step by Step Solution

1. Step 1: Write the proportion equation
   72,644 : 111,080 = 111,080 : x
2. Step 2: Convert to fraction form
   72,644/111,080 = 111,080/x
3. Step 3: Cross multiply
   72,644x = 111,080 × 111,080
4. Step 4: Simplify right side
   72,644x = 12,338,766,400
5. Step 5: Solve for x
   x = 12,338,766,400/72,644
6. Step 6: Final answer
   x = 169,852.52