Finding the Third Proportional to 4,079,586 and 8,879,788

Step by Step Solution

1. Step 1: Write the proportion equation
   4,079,586 : 8,879,788 = 8,879,788 : x
2. Step 2: Convert to fraction form
   4,079,586/8,879,788 = 8,879,788/x
3. Step 3: Cross multiply
   4,079,586x = 8,879,788 × 8,879,788
4. Step 4: Simplify right side
   4,079,586x = 78,850,634,924,944
5. Step 5: Solve for x
   x = 78,850,634,924,944/4,079,586
6. Step 6: Final answer
   x = 19,328,097.24