Finding the Third Proportional to 1,220,518 and 2,658,016

Step by Step Solution

1. Step 1: Write the proportion equation
   1,220,518 : 2,658,016 = 2,658,016 : x
2. Step 2: Convert to fraction form
   1,220,518/2,658,016 = 2,658,016/x
3. Step 3: Cross multiply
   1,220,518x = 2,658,016 × 2,658,016
4. Step 4: Simplify right side
   1,220,518x = 7,065,049,056,256
5. Step 5: Solve for x
   x = 7,065,049,056,256/1,220,518
6. Step 6: Final answer
   x = 5,788,566.05