Finding the Third Proportional to 296,469 and 443,892

Step by Step Solution

1. Step 1: Write the proportion equation
   296,469 : 443,892 = 443,892 : x
2. Step 2: Convert to fraction form
   296,469/443,892 = 443,892/x
3. Step 3: Cross multiply
   296,469x = 443,892 × 443,892
4. Step 4: Simplify right side
   296,469x = 197,040,107,664
5. Step 5: Solve for x
   x = 197,040,107,664/296,469
6. Step 6: Final answer
   x = 664,622.97