Finding the Third Proportional to 3,642,869 and 5,434,779

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642,869 : 5,434,779 = 5,434,779 : x
2. Step 2: Convert to fraction form
   3,642,869/5,434,779 = 5,434,779/x
3. Step 3: Cross multiply
   3,642,869x = 5,434,779 × 5,434,779
4. Step 4: Simplify right side
   3,642,869x = 29,536,822,778,841
5. Step 5: Solve for x
   x = 29,536,822,778,841/3,642,869
6. Step 6: Final answer
   x = 8,108,121.04