Finding the Third Proportional to 3,985,067 and 8,253,690

Step by Step Solution

1. Step 1: Write the proportion equation
   3,985,067 : 8,253,690 = 8,253,690 : x
2. Step 2: Convert to fraction form
   3,985,067/8,253,690 = 8,253,690/x
3. Step 3: Cross multiply
   3,985,067x = 8,253,690 × 8,253,690
4. Step 4: Simplify right side
   3,985,067x = 68,123,398,616,100
5. Step 5: Solve for x
   x = 68,123,398,616,100/3,985,067
6. Step 6: Final answer
   x = 17,094,668.32