Finding the Third Proportional to 4,079,589 and 8,879,791

Step by Step Solution

1. Step 1: Write the proportion equation
   4,079,589 : 8,879,791 = 8,879,791 : x
2. Step 2: Convert to fraction form
   4,079,589/8,879,791 = 8,879,791/x
3. Step 3: Cross multiply
   4,079,589x = 8,879,791 × 8,879,791
4. Step 4: Simplify right side
   4,079,589x = 78,850,688,203,681
5. Step 5: Solve for x
   x = 78,850,688,203,681/4,079,589
6. Step 6: Final answer
   x = 19,328,096.09