Finding the Third Proportional to 2,212,009 and 4,517,330

Step by Step Solution

1. Step 1: Write the proportion equation
   2,212,009 : 4,517,330 = 4,517,330 : x
2. Step 2: Convert to fraction form
   2,212,009/4,517,330 = 4,517,330/x
3. Step 3: Cross multiply
   2,212,009x = 4,517,330 × 4,517,330
4. Step 4: Simplify right side
   2,212,009x = 20,406,270,328,900
5. Step 5: Solve for x
   x = 20,406,270,328,900/2,212,009
6. Step 6: Final answer
   x = 9,225,220.30