Finding the Third Proportional to 3,826,498 and 8,399,408

Step by Step Solution

1. Step 1: Write the proportion equation
   3,826,498 : 8,399,408 = 8,399,408 : x
2. Step 2: Convert to fraction form
   3,826,498/8,399,408 = 8,399,408/x
3. Step 3: Cross multiply
   3,826,498x = 8,399,408 × 8,399,408
4. Step 4: Simplify right side
   3,826,498x = 70,550,054,750,464
5. Step 5: Solve for x
   x = 70,550,054,750,464/3,826,498
6. Step 6: Final answer
   x = 18,437,238.11