Finding the Third Proportional to 150,068 and 328,020

Step by Step Solution

1. Step 1: Write the proportion equation
   150,068 : 328,020 = 328,020 : x
2. Step 2: Convert to fraction form
   150,068/328,020 = 328,020/x
3. Step 3: Cross multiply
   150,068x = 328,020 × 328,020
4. Step 4: Simplify right side
   150,068x = 107,597,120,400
5. Step 5: Solve for x
   x = 107,597,120,400/150,068
6. Step 6: Final answer
   x = 716,989.10