Finding the Third Proportional to 3,891,047 and 5,542,867

Step by Step Solution

1. Step 1: Write the proportion equation
   3,891,047 : 5,542,867 = 5,542,867 : x
2. Step 2: Convert to fraction form
   3,891,047/5,542,867 = 5,542,867/x
3. Step 3: Cross multiply
   3,891,047x = 5,542,867 × 5,542,867
4. Step 4: Simplify right side
   3,891,047x = 30,723,374,579,689
5. Step 5: Solve for x
   x = 30,723,374,579,689/3,891,047
6. Step 6: Final answer
   x = 7,895,914.54