Finding the Third Proportional to 2,485,019 and 5,435,299

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485,019 : 5,435,299 = 5,435,299 : x
2. Step 2: Convert to fraction form
   2,485,019/5,435,299 = 5,435,299/x
3. Step 3: Cross multiply
   2,485,019x = 5,435,299 × 5,435,299
4. Step 4: Simplify right side
   2,485,019x = 29,542,475,219,401
5. Step 5: Solve for x
   x = 29,542,475,219,401/2,485,019
6. Step 6: Final answer
   x = 11,888,229.11