Finding the Third Proportional to 1,221,579 and 2,660,022

Step by Step Solution

1. Step 1: Write the proportion equation
   1,221,579 : 2,660,022 = 2,660,022 : x
2. Step 2: Convert to fraction form
   1,221,579/2,660,022 = 2,660,022/x
3. Step 3: Cross multiply
   1,221,579x = 2,660,022 × 2,660,022
4. Step 4: Simplify right side
   1,221,579x = 7,075,717,040,484
5. Step 5: Solve for x
   x = 7,075,717,040,484/1,221,579
6. Step 6: Final answer
   x = 5,792,271.35