Finding the Third Proportional to 2,187,779 and 3,311,847

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187,779 : 3,311,847 = 3,311,847 : x
2. Step 2: Convert to fraction form
   2,187,779/3,311,847 = 3,311,847/x
3. Step 3: Cross multiply
   2,187,779x = 3,311,847 × 3,311,847
4. Step 4: Simplify right side
   2,187,779x = 10,968,330,551,409
5. Step 5: Solve for x
   x = 10,968,330,551,409/2,187,779
6. Step 6: Final answer
   x = 5,013,454.54