Finding the Third Proportional to 3,542,690 and 5,500,673

Step by Step Solution

1. Step 1: Write the proportion equation
   3,542,690 : 5,500,673 = 5,500,673 : x
2. Step 2: Convert to fraction form
   3,542,690/5,500,673 = 5,500,673/x
3. Step 3: Cross multiply
   3,542,690x = 5,500,673 × 5,500,673
4. Step 4: Simplify right side
   3,542,690x = 30,257,403,452,929
5. Step 5: Solve for x
   x = 30,257,403,452,929/3,542,690
6. Step 6: Final answer
   x = 8,540,799.07