Finding the Third Proportional to 4,086,000 and 8,879,616

Step by Step Solution

1. Step 1: Write the proportion equation
   4,086,000 : 8,879,616 = 8,879,616 : x
2. Step 2: Convert to fraction form
   4,086,000/8,879,616 = 8,879,616/x
3. Step 3: Cross multiply
   4,086,000x = 8,879,616 × 8,879,616
4. Step 4: Simplify right side
   4,086,000x = 78,847,580,307,456
5. Step 5: Solve for x
   x = 78,847,580,307,456/4,086,000
6. Step 6: Final answer
   x = 19,297,009.38