Finding the Third Proportional to 3,728,610 and 8,168,636

Step by Step Solution

1. Step 1: Write the proportion equation
   3,728,610 : 8,168,636 = 8,168,636 : x
2. Step 2: Convert to fraction form
   3,728,610/8,168,636 = 8,168,636/x
3. Step 3: Cross multiply
   3,728,610x = 8,168,636 × 8,168,636
4. Step 4: Simplify right side
   3,728,610x = 66,726,614,100,496
5. Step 5: Solve for x
   x = 66,726,614,100,496/3,728,610
6. Step 6: Final answer
   x = 17,895,841.64