Finding the Third Proportional to 2,197,986 and 4,686,298

Step by Step Solution

1. Step 1: Write the proportion equation
   2,197,986 : 4,686,298 = 4,686,298 : x
2. Step 2: Convert to fraction form
   2,197,986/4,686,298 = 4,686,298/x
3. Step 3: Cross multiply
   2,197,986x = 4,686,298 × 4,686,298
4. Step 4: Simplify right side
   2,197,986x = 21,961,388,944,804
5. Step 5: Solve for x
   x = 21,961,388,944,804/2,197,986
6. Step 6: Final answer
   x = 9,991,596.37