Finding the Third Proportional to 1,198,020 and 2,605,980

Step by Step Solution

1. Step 1: Write the proportion equation
   1,198,020 : 2,605,980 = 2,605,980 : x
2. Step 2: Convert to fraction form
   1,198,020/2,605,980 = 2,605,980/x
3. Step 3: Cross multiply
   1,198,020x = 2,605,980 × 2,605,980
4. Step 4: Simplify right side
   1,198,020x = 6,791,131,760,400
5. Step 5: Solve for x
   x = 6,791,131,760,400/1,198,020
6. Step 6: Final answer
   x = 5,668,629.71