Finding the Third Proportional to 4,079,608 and 8,879,828

Step by Step Solution

1. Step 1: Write the proportion equation
   4,079,608 : 8,879,828 = 8,879,828 : x
2. Step 2: Convert to fraction form
   4,079,608/8,879,828 = 8,879,828/x
3. Step 3: Cross multiply
   4,079,608x = 8,879,828 × 8,879,828
4. Step 4: Simplify right side
   4,079,608x = 78,851,345,309,584
5. Step 5: Solve for x
   x = 78,851,345,309,584/4,079,608
6. Step 6: Final answer
   x = 19,328,167.14