Finding the Third Proportional to 80,018 and 169,900

Step by Step Solution

1. Step 1: Write the proportion equation
   80,018 : 169,900 = 169,900 : x
2. Step 2: Convert to fraction form
   80,018/169,900 = 169,900/x
3. Step 3: Cross multiply
   80,018x = 169,900 × 169,900
4. Step 4: Simplify right side
   80,018x = 28,866,010,000
5. Step 5: Solve for x
   x = 28,866,010,000/80,018
6. Step 6: Final answer
   x = 360,743.96