Finding the Third Proportional to 3,998,048 and 8,741,728

Step by Step Solution

1. Step 1: Write the proportion equation
   3,998,048 : 8,741,728 = 8,741,728 : x
2. Step 2: Convert to fraction form
   3,998,048/8,741,728 = 8,741,728/x
3. Step 3: Cross multiply
   3,998,048x = 8,741,728 × 8,741,728
4. Step 4: Simplify right side
   3,998,048x = 76,417,808,425,984
5. Step 5: Solve for x
   x = 76,417,808,425,984/3,998,048
6. Step 6: Final answer
   x = 19,113,779.63