Finding the Third Proportional to 2,687,848 and 4,161,777

Step by Step Solution

1. Step 1: Write the proportion equation
   2,687,848 : 4,161,777 = 4,161,777 : x
2. Step 2: Convert to fraction form
   2,687,848/4,161,777 = 4,161,777/x
3. Step 3: Cross multiply
   2,687,848x = 4,161,777 × 4,161,777
4. Step 4: Simplify right side
   2,687,848x = 17,320,387,797,729
5. Step 5: Solve for x
   x = 17,320,387,797,729/2,687,848
6. Step 6: Final answer
   x = 6,443,961.04