Finding the Third Proportional to 150,651.75 and 328,344

Step by Step Solution

1. Step 1: Write the proportion equation
   150,651.75 : 328,344 = 328,344 : x
2. Step 2: Convert to fraction form
   150,651.75/328,344 = 328,344/x
3. Step 3: Cross multiply
   150,651.75x = 328,344 × 328,344
4. Step 4: Simplify right side
   150,651.75x = 107,809,782,336
5. Step 5: Solve for x
   x = 107,809,782,336/150,651.75
6. Step 6: Final answer
   x = 715,622.50