Finding the Third Proportional to 3,826,538 and 8,399,450

Step by Step Solution

1. Step 1: Write the proportion equation
   3,826,538 : 8,399,450 = 8,399,450 : x
2. Step 2: Convert to fraction form
   3,826,538/8,399,450 = 8,399,450/x
3. Step 3: Cross multiply
   3,826,538x = 8,399,450 × 8,399,450
4. Step 4: Simplify right side
   3,826,538x = 70,550,760,302,500
5. Step 5: Solve for x
   x = 70,550,760,302,500/3,826,538
6. Step 6: Final answer
   x = 18,437,229.76