Finding the Third Proportional to 120,579 and 244,443

Step by Step Solution

1. Step 1: Write the proportion equation
   120,579 : 244,443 = 244,443 : x
2. Step 2: Convert to fraction form
   120,579/244,443 = 244,443/x
3. Step 3: Cross multiply
   120,579x = 244,443 × 244,443
4. Step 4: Simplify right side
   120,579x = 59,752,380,249
5. Step 5: Solve for x
   x = 59,752,380,249/120,579
6. Step 6: Final answer
   x = 495,545.50