Finding the Third Proportional to 2,682,840 and 3,987,810

Step by Step Solution

1. Step 1: Write the proportion equation
   2,682,840 : 3,987,810 = 3,987,810 : x
2. Step 2: Convert to fraction form
   2,682,840/3,987,810 = 3,987,810/x
3. Step 3: Cross multiply
   2,682,840x = 3,987,810 × 3,987,810
4. Step 4: Simplify right side
   2,682,840x = 15,902,628,596,100
5. Step 5: Solve for x
   x = 15,902,628,596,100/2,682,840
6. Step 6: Final answer
   x = 5,927,535.22