Finding the Third Proportional to 1,220,521 and 2,658,022

Step by Step Solution

1. Step 1: Write the proportion equation
   1,220,521 : 2,658,022 = 2,658,022 : x
2. Step 2: Convert to fraction form
   1,220,521/2,658,022 = 2,658,022/x
3. Step 3: Cross multiply
   1,220,521x = 2,658,022 × 2,658,022
4. Step 4: Simplify right side
   1,220,521x = 7,065,080,952,484
5. Step 5: Solve for x
   x = 7,065,080,952,484/1,220,521
6. Step 6: Final answer
   x = 5,788,577.95