Finding the Third Proportional to 3,143,066 and 6,861,856

Step by Step Solution

1. Step 1: Write the proportion equation
   3,143,066 : 6,861,856 = 6,861,856 : x
2. Step 2: Convert to fraction form
   3,143,066/6,861,856 = 6,861,856/x
3. Step 3: Cross multiply
   3,143,066x = 6,861,856 × 6,861,856
4. Step 4: Simplify right side
   3,143,066x = 47,085,067,764,736
5. Step 5: Solve for x
   x = 47,085,067,764,736/3,143,066
6. Step 6: Final answer
   x = 14,980,616.94