Finding the Third Proportional to 3,434,400 and 7,458,768

Step by Step Solution

1. Step 1: Write the proportion equation
   3,434,400 : 7,458,768 = 7,458,768 : x
2. Step 2: Convert to fraction form
   3,434,400/7,458,768 = 7,458,768/x
3. Step 3: Cross multiply
   3,434,400x = 7,458,768 × 7,458,768
4. Step 4: Simplify right side
   3,434,400x = 55,633,220,077,824
5. Step 5: Solve for x
   x = 55,633,220,077,824/3,434,400
6. Step 6: Final answer
   x = 16,198,817.87