Finding the Third Proportional to 158,414 and 329,932

Step by Step Solution

1. Step 1: Write the proportion equation
   158,414 : 329,932 = 329,932 : x
2. Step 2: Convert to fraction form
   158,414/329,932 = 329,932/x
3. Step 3: Cross multiply
   158,414x = 329,932 × 329,932
4. Step 4: Simplify right side
   158,414x = 108,855,124,624
5. Step 5: Solve for x
   x = 108,855,124,624/158,414
6. Step 6: Final answer
   x = 687,155.96