Finding the Third Proportional to 158,359 and 329,822

Step by Step Solution

1. Step 1: Write the proportion equation
   158,359 : 329,822 = 329,822 : x
2. Step 2: Convert to fraction form
   158,359/329,822 = 329,822/x
3. Step 3: Cross multiply
   158,359x = 329,822 × 329,822
4. Step 4: Simplify right side
   158,359x = 108,782,551,684
5. Step 5: Solve for x
   x = 108,782,551,684/158,359
6. Step 6: Final answer
   x = 686,936.34