Finding the Third Proportional to 3,856,735 and 8,470,028

Step by Step Solution

1. Step 1: Write the proportion equation
   3,856,735 : 8,470,028 = 8,470,028 : x
2. Step 2: Convert to fraction form
   3,856,735/8,470,028 = 8,470,028/x
3. Step 3: Cross multiply
   3,856,735x = 8,470,028 × 8,470,028
4. Step 4: Simplify right side
   3,856,735x = 71,741,374,320,784
5. Step 5: Solve for x
   x = 71,741,374,320,784/3,856,735
6. Step 6: Final answer
   x = 18,601,582.51