Finding the Third Proportional to 3,429,408 and 7,449,216

Step by Step Solution

1. Step 1: Write the proportion equation
   3,429,408 : 7,449,216 = 7,449,216 : x
2. Step 2: Convert to fraction form
   3,429,408/7,449,216 = 7,449,216/x
3. Step 3: Cross multiply
   3,429,408x = 7,449,216 × 7,449,216
4. Step 4: Simplify right side
   3,429,408x = 55,490,819,014,656
5. Step 5: Solve for x
   x = 55,490,819,014,656/3,429,408
6. Step 6: Final answer
   x = 16,180,874.08