Finding the Third Proportional to 2,687,841 and 4,161,768

Step by Step Solution

1. Step 1: Write the proportion equation
   2,687,841 : 4,161,768 = 4,161,768 : x
2. Step 2: Convert to fraction form
   2,687,841/4,161,768 = 4,161,768/x
3. Step 3: Cross multiply
   2,687,841x = 4,161,768 × 4,161,768
4. Step 4: Simplify right side
   2,687,841x = 17,320,312,885,824
5. Step 5: Solve for x
   x = 17,320,312,885,824/2,687,841
6. Step 6: Final answer
   x = 6,443,949.95