Finding the Third Proportional to 150,660 and 328,333.50

Step by Step Solution

1. Step 1: Write the proportion equation
   150,660 : 328,333.50 = 328,333.50 : x
2. Step 2: Convert to fraction form
   150,660/328,333.50 = 328,333.50/x
3. Step 3: Cross multiply
   150,660x = 328,333.50 × 328,333.50
4. Step 4: Simplify right side
   150,660x = 107,802,887,222.25
5. Step 5: Solve for x
   x = 107,802,887,222.25/150,660
6. Step 6: Final answer
   x = 715,537.55