Finding the Third Proportional to 2,131,036 and 3,259,980

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,036 : 3,259,980 = 3,259,980 : x
2. Step 2: Convert to fraction form
   2,131,036/3,259,980 = 3,259,980/x
3. Step 3: Cross multiply
   2,131,036x = 3,259,980 × 3,259,980
4. Step 4: Simplify right side
   2,131,036x = 10,627,469,600,400
5. Step 5: Solve for x
   x = 10,627,469,600,400/2,131,036
6. Step 6: Final answer
   x = 4,986,996.75