Finding the Third Proportional to 2,159,728 and 4,726,256

Step by Step Solution

1. Step 1: Write the proportion equation
   2,159,728 : 4,726,256 = 4,726,256 : x
2. Step 2: Convert to fraction form
   2,159,728/4,726,256 = 4,726,256/x
3. Step 3: Cross multiply
   2,159,728x = 4,726,256 × 4,726,256
4. Step 4: Simplify right side
   2,159,728x = 22,337,495,777,536
5. Step 5: Solve for x
   x = 22,337,495,777,536/2,159,728
6. Step 6: Final answer
   x = 10,342,735.65