Finding the Third Proportional to 2,608,474 and 5,563,616

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608,474 : 5,563,616 = 5,563,616 : x
2. Step 2: Convert to fraction form
   2,608,474/5,563,616 = 5,563,616/x
3. Step 3: Cross multiply
   2,608,474x = 5,563,616 × 5,563,616
4. Step 4: Simplify right side
   2,608,474x = 30,953,822,995,456
5. Step 5: Solve for x
   x = 30,953,822,995,456/2,608,474
6. Step 6: Final answer
   x = 11,866,640.42