Finding the Third Proportional to 3,947,466 and 8,205,204

Step by Step Solution

1. Step 1: Write the proportion equation
   3,947,466 : 8,205,204 = 8,205,204 : x
2. Step 2: Convert to fraction form
   3,947,466/8,205,204 = 8,205,204/x
3. Step 3: Cross multiply
   3,947,466x = 8,205,204 × 8,205,204
4. Step 4: Simplify right side
   3,947,466x = 67,325,372,681,616
5. Step 5: Solve for x
   x = 67,325,372,681,616/3,947,466
6. Step 6: Final answer
   x = 17,055,339.47