Finding the Third Proportional to 2,453,661 and 5,362,218

Step by Step Solution

1. Step 1: Write the proportion equation
   2,453,661 : 5,362,218 = 5,362,218 : x
2. Step 2: Convert to fraction form
   2,453,661/5,362,218 = 5,362,218/x
3. Step 3: Cross multiply
   2,453,661x = 5,362,218 × 5,362,218
4. Step 4: Simplify right side
   2,453,661x = 28,753,381,879,524
5. Step 5: Solve for x
   x = 28,753,381,879,524/2,453,661
6. Step 6: Final answer
   x = 11,718,563.35