Finding the Third Proportional to 3,864,800 and 8,395,540

Step by Step Solution

1. Step 1: Write the proportion equation
   3,864,800 : 8,395,540 = 8,395,540 : x
2. Step 2: Convert to fraction form
   3,864,800/8,395,540 = 8,395,540/x
3. Step 3: Cross multiply
   3,864,800x = 8,395,540 × 8,395,540
4. Step 4: Simplify right side
   3,864,800x = 70,485,091,891,600
5. Step 5: Solve for x
   x = 70,485,091,891,600/3,864,800
6. Step 6: Final answer
   x = 18,237,707.49