Finding the Third Proportional to 2,138,814 and 4,755,831

Step by Step Solution

1. Step 1: Write the proportion equation
   2,138,814 : 4,755,831 = 4,755,831 : x
2. Step 2: Convert to fraction form
   2,138,814/4,755,831 = 4,755,831/x
3. Step 3: Cross multiply
   2,138,814x = 4,755,831 × 4,755,831
4. Step 4: Simplify right side
   2,138,814x = 22,617,928,500,561
5. Step 5: Solve for x
   x = 22,617,928,500,561/2,138,814
6. Step 6: Final answer
   x = 10,574,986.18