Finding the Third Proportional to 442,920 and 1,039,824

Step by Step Solution

1. Step 1: Write the proportion equation
   442,920 : 1,039,824 = 1,039,824 : x
2. Step 2: Convert to fraction form
   442,920/1,039,824 = 1,039,824/x
3. Step 3: Cross multiply
   442,920x = 1,039,824 × 1,039,824
4. Step 4: Simplify right side
   442,920x = 1,081,233,950,976
5. Step 5: Solve for x
   x = 1,081,233,950,976/442,920
6. Step 6: Final answer
   x = 2,441,149.53