Finding the Third Proportional to 2,659,728 and 5,508,648

Step by Step Solution

1. Step 1: Write the proportion equation
   2,659,728 : 5,508,648 = 5,508,648 : x
2. Step 2: Convert to fraction form
   2,659,728/5,508,648 = 5,508,648/x
3. Step 3: Cross multiply
   2,659,728x = 5,508,648 × 5,508,648
4. Step 4: Simplify right side
   2,659,728x = 30,345,202,787,904
5. Step 5: Solve for x
   x = 30,345,202,787,904/2,659,728
6. Step 6: Final answer
   x = 11,409,137.62