Finding the Third Proportional to 2,149,831 and 3,107,742

Step by Step Solution

1. Step 1: Write the proportion equation
   2,149,831 : 3,107,742 = 3,107,742 : x
2. Step 2: Convert to fraction form
   2,149,831/3,107,742 = 3,107,742/x
3. Step 3: Cross multiply
   2,149,831x = 3,107,742 × 3,107,742
4. Step 4: Simplify right side
   2,149,831x = 9,658,060,338,564
5. Step 5: Solve for x
   x = 9,658,060,338,564/2,149,831
6. Step 6: Final answer
   x = 4,492,474.22