Finding the Third Proportional to 3,353,728 and 7,238,816

Step by Step Solution

1. Step 1: Write the proportion equation
   3,353,728 : 7,238,816 = 7,238,816 : x
2. Step 2: Convert to fraction form
   3,353,728/7,238,816 = 7,238,816/x
3. Step 3: Cross multiply
   3,353,728x = 7,238,816 × 7,238,816
4. Step 4: Simplify right side
   3,353,728x = 52,400,457,081,856
5. Step 5: Solve for x
   x = 52,400,457,081,856/3,353,728
6. Step 6: Final answer
   x = 15,624,539.94