Finding the Third Proportional to 2,541,863 and 5,587,486

Step by Step Solution

1. Step 1: Write the proportion equation
   2,541,863 : 5,587,486 = 5,587,486 : x
2. Step 2: Convert to fraction form
   2,541,863/5,587,486 = 5,587,486/x
3. Step 3: Cross multiply
   2,541,863x = 5,587,486 × 5,587,486
4. Step 4: Simplify right side
   2,541,863x = 31,219,999,800,196
5. Step 5: Solve for x
   x = 31,219,999,800,196/2,541,863
6. Step 6: Final answer
   x = 12,282,329.85