Finding the Third Proportional to 2,173,676 and 4,767,256

Step by Step Solution

1. Step 1: Write the proportion equation
   2,173,676 : 4,767,256 = 4,767,256 : x
2. Step 2: Convert to fraction form
   2,173,676/4,767,256 = 4,767,256/x
3. Step 3: Cross multiply
   2,173,676x = 4,767,256 × 4,767,256
4. Step 4: Simplify right side
   2,173,676x = 22,726,729,769,536
5. Step 5: Solve for x
   x = 22,726,729,769,536/2,173,676
6. Step 6: Final answer
   x = 10,455,435.75