Finding the Third Proportional to 2,209,540 and 3,493,238

Step by Step Solution

1. Step 1: Write the proportion equation
   2,209,540 : 3,493,238 = 3,493,238 : x
2. Step 2: Convert to fraction form
   2,209,540/3,493,238 = 3,493,238/x
3. Step 3: Cross multiply
   2,209,540x = 3,493,238 × 3,493,238
4. Step 4: Simplify right side
   2,209,540x = 12,202,711,724,644
5. Step 5: Solve for x
   x = 12,202,711,724,644/2,209,540
6. Step 6: Final answer
   x = 5,522,738.54