Finding the Third Proportional to 296,257.50 and 447,003

Step by Step Solution

1. Step 1: Write the proportion equation
   296,257.50 : 447,003 = 447,003 : x
2. Step 2: Convert to fraction form
   296,257.50/447,003 = 447,003/x
3. Step 3: Cross multiply
   296,257.50x = 447,003 × 447,003
4. Step 4: Simplify right side
   296,257.50x = 199,811,682,009
5. Step 5: Solve for x
   x = 199,811,682,009/296,257.50
6. Step 6: Final answer
   x = 674,452.74