Finding the Third Proportional to 3,826,388 and 8,399,179

Step by Step Solution

1. Step 1: Write the proportion equation
   3,826,388 : 8,399,179 = 8,399,179 : x
2. Step 2: Convert to fraction form
   3,826,388/8,399,179 = 8,399,179/x
3. Step 3: Cross multiply
   3,826,388x = 8,399,179 × 8,399,179
4. Step 4: Simplify right side
   3,826,388x = 70,546,207,874,041
5. Step 5: Solve for x
   x = 70,546,207,874,041/3,826,388
6. Step 6: Final answer
   x = 18,436,762.78