Finding the Third Proportional to 2,285,638 and 4,915,256

Step by Step Solution

1. Step 1: Write the proportion equation
   2,285,638 : 4,915,256 = 4,915,256 : x
2. Step 2: Convert to fraction form
   2,285,638/4,915,256 = 4,915,256/x
3. Step 3: Cross multiply
   2,285,638x = 4,915,256 × 4,915,256
4. Step 4: Simplify right side
   2,285,638x = 24,159,741,545,536
5. Step 5: Solve for x
   x = 24,159,741,545,536/2,285,638
6. Step 6: Final answer
   x = 10,570,239.71