Finding the Third Proportional to 3,864,816 and 8,395,576

Step by Step Solution

1. Step 1: Write the proportion equation
   3,864,816 : 8,395,576 = 8,395,576 : x
2. Step 2: Convert to fraction form
   3,864,816/8,395,576 = 8,395,576/x
3. Step 3: Cross multiply
   3,864,816x = 8,395,576 × 8,395,576
4. Step 4: Simplify right side
   3,864,816x = 70,485,696,371,776
5. Step 5: Solve for x
   x = 70,485,696,371,776/3,864,816
6. Step 6: Final answer
   x = 18,237,788.39