Finding the Third Proportional to 3,864,904 and 8,395,760

Step by Step Solution

1. Step 1: Write the proportion equation
   3,864,904 : 8,395,760 = 8,395,760 : x
2. Step 2: Convert to fraction form
   3,864,904/8,395,760 = 8,395,760/x
3. Step 3: Cross multiply
   3,864,904x = 8,395,760 × 8,395,760
4. Step 4: Simplify right side
   3,864,904x = 70,488,785,977,600
5. Step 5: Solve for x
   x = 70,488,785,977,600/3,864,904
6. Step 6: Final answer
   x = 18,238,172.53