Finding the Third Proportional to 2,566,986 and 3,945,990

Step by Step Solution

1. Step 1: Write the proportion equation
   2,566,986 : 3,945,990 = 3,945,990 : x
2. Step 2: Convert to fraction form
   2,566,986/3,945,990 = 3,945,990/x
3. Step 3: Cross multiply
   2,566,986x = 3,945,990 × 3,945,990
4. Step 4: Simplify right side
   2,566,986x = 15,570,837,080,100
5. Step 5: Solve for x
   x = 15,570,837,080,100/2,566,986
6. Step 6: Final answer
   x = 6,065,805.22