Finding the Third Proportional to 2,131,256 and 4,565,752

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,256 : 4,565,752 = 4,565,752 : x
2. Step 2: Convert to fraction form
   2,131,256/4,565,752 = 4,565,752/x
3. Step 3: Cross multiply
   2,131,256x = 4,565,752 × 4,565,752
4. Step 4: Simplify right side
   2,131,256x = 20,846,091,325,504
5. Step 5: Solve for x
   x = 20,846,091,325,504/2,131,256
6. Step 6: Final answer
   x = 9,781,129.68