Finding the Third Proportional to 4,079,612 and 8,879,836

Step by Step Solution

1. Step 1: Write the proportion equation
   4,079,612 : 8,879,836 = 8,879,836 : x
2. Step 2: Convert to fraction form
   4,079,612/8,879,836 = 8,879,836/x
3. Step 3: Cross multiply
   4,079,612x = 8,879,836 × 8,879,836
4. Step 4: Simplify right side
   4,079,612x = 78,851,487,386,896
5. Step 5: Solve for x
   x = 78,851,487,386,896/4,079,612
6. Step 6: Final answer
   x = 19,328,183.02