Finding the Third Proportional to 2,356,455 and 3,603,216

Step by Step Solution

1. Step 1: Write the proportion equation
   2,356,455 : 3,603,216 = 3,603,216 : x
2. Step 2: Convert to fraction form
   2,356,455/3,603,216 = 3,603,216/x
3. Step 3: Cross multiply
   2,356,455x = 3,603,216 × 3,603,216
4. Step 4: Simplify right side
   2,356,455x = 12,983,165,542,656
5. Step 5: Solve for x
   x = 12,983,165,542,656/2,356,455
6. Step 6: Final answer
   x = 5,509,617.43