Finding the Third Proportional to 3,434,408 and 7,458,784

Step by Step Solution

1. Step 1: Write the proportion equation
   3,434,408 : 7,458,784 = 7,458,784 : x
2. Step 2: Convert to fraction form
   3,434,408/7,458,784 = 7,458,784/x
3. Step 3: Cross multiply
   3,434,408x = 7,458,784 × 7,458,784
4. Step 4: Simplify right side
   3,434,408x = 55,633,458,758,656
5. Step 5: Solve for x
   x = 55,633,458,758,656/3,434,408
6. Step 6: Final answer
   x = 16,198,849.63