Finding the Third Proportional to 2,485,005 and 5,435,273

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485,005 : 5,435,273 = 5,435,273 : x
2. Step 2: Convert to fraction form
   2,485,005/5,435,273 = 5,435,273/x
3. Step 3: Cross multiply
   2,485,005x = 5,435,273 × 5,435,273
4. Step 4: Simplify right side
   2,485,005x = 29,542,192,584,529
5. Step 5: Solve for x
   x = 29,542,192,584,529/2,485,005
6. Step 6: Final answer
   x = 11,888,182.35