Finding the Third Proportional to 1,945,408 and 3,107,831

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945,408 : 3,107,831 = 3,107,831 : x
2. Step 2: Convert to fraction form
   1,945,408/3,107,831 = 3,107,831/x
3. Step 3: Cross multiply
   1,945,408x = 3,107,831 × 3,107,831
4. Step 4: Simplify right side
   1,945,408x = 9,658,613,524,561
5. Step 5: Solve for x
   x = 9,658,613,524,561/1,945,408
6. Step 6: Final answer
   x = 4,964,826.67