Finding the Third Proportional to 169,519.50 and 361,530

Step by Step Solution

1. Step 1: Write the proportion equation
   169,519.50 : 361,530 = 361,530 : x
2. Step 2: Convert to fraction form
   169,519.50/361,530 = 361,530/x
3. Step 3: Cross multiply
   169,519.50x = 361,530 × 361,530
4. Step 4: Simplify right side
   169,519.50x = 130,703,940,900
5. Step 5: Solve for x
   x = 130,703,940,900/169,519.50
6. Step 6: Final answer
   x = 771,025.99