Finding the Third Proportional to 2,212,636 and 3,417,218

Step by Step Solution

1. Step 1: Write the proportion equation
   2,212,636 : 3,417,218 = 3,417,218 : x
2. Step 2: Convert to fraction form
   2,212,636/3,417,218 = 3,417,218/x
3. Step 3: Cross multiply
   2,212,636x = 3,417,218 × 3,417,218
4. Step 4: Simplify right side
   2,212,636x = 11,677,378,859,524
5. Step 5: Solve for x
   x = 11,677,378,859,524/2,212,636
6. Step 6: Final answer
   x = 5,277,586.94