Finding the Third Proportional to 3,863,104 and 8,397,888

Step by Step Solution

1. Step 1: Write the proportion equation
   3,863,104 : 8,397,888 = 8,397,888 : x
2. Step 2: Convert to fraction form
   3,863,104/8,397,888 = 8,397,888/x
3. Step 3: Cross multiply
   3,863,104x = 8,397,888 × 8,397,888
4. Step 4: Simplify right side
   3,863,104x = 70,524,522,860,544
5. Step 5: Solve for x
   x = 70,524,522,860,544/3,863,104
6. Step 6: Final answer
   x = 18,255,921.37