Finding the Third Proportional to 449,732 and 672,166

Step by Step Solution

1. Step 1: Write the proportion equation
   449,732 : 672,166 = 672,166 : x
2. Step 2: Convert to fraction form
   449,732/672,166 = 672,166/x
3. Step 3: Cross multiply
   449,732x = 672,166 × 672,166
4. Step 4: Simplify right side
   449,732x = 451,807,131,556
5. Step 5: Solve for x
   x = 451,807,131,556/449,732
6. Step 6: Final answer
   x = 1,004,614.15