Finding the Third Proportional to 3,940,990 and 5,939,673

Step by Step Solution

1. Step 1: Write the proportion equation
   3,940,990 : 5,939,673 = 5,939,673 : x
2. Step 2: Convert to fraction form
   3,940,990/5,939,673 = 5,939,673/x
3. Step 3: Cross multiply
   3,940,990x = 5,939,673 × 5,939,673
4. Step 4: Simplify right side
   3,940,990x = 35,279,715,346,929
5. Step 5: Solve for x
   x = 35,279,715,346,929/3,940,990
6. Step 6: Final answer
   x = 8,951,993.12