Finding the Third Proportional to 459,123 and 996,872

Step by Step Solution

1. Step 1: Write the proportion equation
   459,123 : 996,872 = 996,872 : x
2. Step 2: Convert to fraction form
   459,123/996,872 = 996,872/x
3. Step 3: Cross multiply
   459,123x = 996,872 × 996,872
4. Step 4: Simplify right side
   459,123x = 993,753,784,384
5. Step 5: Solve for x
   x = 993,753,784,384/459,123
6. Step 6: Final answer
   x = 2,164,460.91