Finding the Third Proportional to 2,485,012 and 5,435,287

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485,012 : 5,435,287 = 5,435,287 : x
2. Step 2: Convert to fraction form
   2,485,012/5,435,287 = 5,435,287/x
3. Step 3: Cross multiply
   2,485,012x = 5,435,287 × 5,435,287
4. Step 4: Simplify right side
   2,485,012x = 29,542,344,772,369
5. Step 5: Solve for x
   x = 29,542,344,772,369/2,485,012
6. Step 6: Final answer
   x = 11,888,210.11