Finding the Third Proportional to 2,617,536 and 5,536,863

Step by Step Solution

1. Step 1: Write the proportion equation
   2,617,536 : 5,536,863 = 5,536,863 : x
2. Step 2: Convert to fraction form
   2,617,536/5,536,863 = 5,536,863/x
3. Step 3: Cross multiply
   2,617,536x = 5,536,863 × 5,536,863
4. Step 4: Simplify right side
   2,617,536x = 30,656,851,880,769
5. Step 5: Solve for x
   x = 30,656,851,880,769/2,617,536
6. Step 6: Final answer
   x = 11,712,103.25