Finding the Third Proportional to 297,127.50 and 447,114

Step by Step Solution

1. Step 1: Write the proportion equation
   297,127.50 : 447,114 = 447,114 : x
2. Step 2: Convert to fraction form
   297,127.50/447,114 = 447,114/x
3. Step 3: Cross multiply
   297,127.50x = 447,114 × 447,114
4. Step 4: Simplify right side
   297,127.50x = 199,910,928,996
5. Step 5: Solve for x
   x = 199,910,928,996/297,127.50
6. Step 6: Final answer
   x = 672,811.94