Finding the Third Proportional to 3,651,168 and 8,141,856

Step by Step Solution

1. Step 1: Write the proportion equation
   3,651,168 : 8,141,856 = 8,141,856 : x
2. Step 2: Convert to fraction form
   3,651,168/8,141,856 = 8,141,856/x
3. Step 3: Cross multiply
   3,651,168x = 8,141,856 × 8,141,856
4. Step 4: Simplify right side
   3,651,168x = 66,289,819,124,736
5. Step 5: Solve for x
   x = 66,289,819,124,736/3,651,168
6. Step 6: Final answer
   x = 18,155,784.43