Finding the Third Proportional to 2,485,986 and 5,414,808

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485,986 : 5,414,808 = 5,414,808 : x
2. Step 2: Convert to fraction form
   2,485,986/5,414,808 = 5,414,808/x
3. Step 3: Cross multiply
   2,485,986x = 5,414,808 × 5,414,808
4. Step 4: Simplify right side
   2,485,986x = 29,320,145,676,864
5. Step 5: Solve for x
   x = 29,320,145,676,864/2,485,986
6. Step 6: Final answer
   x = 11,794,171.68