Finding the Third Proportional to 3,835,540 and 8,268,860

Step by Step Solution

1. Step 1: Write the proportion equation
   3,835,540 : 8,268,860 = 8,268,860 : x
2. Step 2: Convert to fraction form
   3,835,540/8,268,860 = 8,268,860/x
3. Step 3: Cross multiply
   3,835,540x = 8,268,860 × 8,268,860
4. Step 4: Simplify right side
   3,835,540x = 68,374,045,699,600
5. Step 5: Solve for x
   x = 68,374,045,699,600/3,835,540
6. Step 6: Final answer
   x = 17,826,445.74