Finding the Third Proportional to 4,107,996 and 8,340,408

Step by Step Solution

1. Step 1: Write the proportion equation
   4,107,996 : 8,340,408 = 8,340,408 : x
2. Step 2: Convert to fraction form
   4,107,996/8,340,408 = 8,340,408/x
3. Step 3: Cross multiply
   4,107,996x = 8,340,408 × 8,340,408
4. Step 4: Simplify right side
   4,107,996x = 69,562,405,606,464
5. Step 5: Solve for x
   x = 69,562,405,606,464/4,107,996
6. Step 6: Final answer
   x = 16,933,416.10