Finding the Third Proportional to 150,760 and 328,880

Step by Step Solution

1. Step 1: Write the proportion equation
   150,760 : 328,880 = 328,880 : x
2. Step 2: Convert to fraction form
   150,760/328,880 = 328,880/x
3. Step 3: Cross multiply
   150,760x = 328,880 × 328,880
4. Step 4: Simplify right side
   150,760x = 108,162,054,400
5. Step 5: Solve for x
   x = 108,162,054,400/150,760
6. Step 6: Final answer
   x = 717,445.31