Finding the Third Proportional to 2,212,698 and 3,417,315

Step by Step Solution

1. Step 1: Write the proportion equation
   2,212,698 : 3,417,315 = 3,417,315 : x
2. Step 2: Convert to fraction form
   2,212,698/3,417,315 = 3,417,315/x
3. Step 3: Cross multiply
   2,212,698x = 3,417,315 × 3,417,315
4. Step 4: Simplify right side
   2,212,698x = 11,678,041,809,225
5. Step 5: Solve for x
   x = 11,678,041,809,225/2,212,698
6. Step 6: Final answer
   x = 5,277,738.67