Finding the Third Proportional to 149,854.50 and 324,612

Step by Step Solution

1. Step 1: Write the proportion equation
   149,854.50 : 324,612 = 324,612 : x
2. Step 2: Convert to fraction form
   149,854.50/324,612 = 324,612/x
3. Step 3: Cross multiply
   149,854.50x = 324,612 × 324,612
4. Step 4: Simplify right side
   149,854.50x = 105,372,950,544
5. Step 5: Solve for x
   x = 105,372,950,544/149,854.50
6. Step 6: Final answer
   x = 703,168.41