Finding the Third Proportional to 169,825 and 359,860

Step by Step Solution

1. Step 1: Write the proportion equation
   169,825 : 359,860 = 359,860 : x
2. Step 2: Convert to fraction form
   169,825/359,860 = 359,860/x
3. Step 3: Cross multiply
   169,825x = 359,860 × 359,860
4. Step 4: Simplify right side
   169,825x = 129,499,219,600
5. Step 5: Solve for x
   x = 129,499,219,600/169,825
6. Step 6: Final answer
   x = 762,545.09