Finding the Third Proportional to 3,864,806 and 8,395,555

Step by Step Solution

1. Step 1: Write the proportion equation
   3,864,806 : 8,395,555 = 8,395,555 : x
2. Step 2: Convert to fraction form
   3,864,806/8,395,555 = 8,395,555/x
3. Step 3: Cross multiply
   3,864,806x = 8,395,555 × 8,395,555
4. Step 4: Simplify right side
   3,864,806x = 70,485,343,758,025
5. Step 5: Solve for x
   x = 70,485,343,758,025/3,864,806
6. Step 6: Final answer
   x = 18,237,744.34