Finding the Third Proportional to 3,809,540 and 5,173,766

Step by Step Solution

1. Step 1: Write the proportion equation
   3,809,540 : 5,173,766 = 5,173,766 : x
2. Step 2: Convert to fraction form
   3,809,540/5,173,766 = 5,173,766/x
3. Step 3: Cross multiply
   3,809,540x = 5,173,766 × 5,173,766
4. Step 4: Simplify right side
   3,809,540x = 26,767,854,622,756
5. Step 5: Solve for x
   x = 26,767,854,622,756/3,809,540
6. Step 6: Final answer
   x = 7,026,531.98