Finding the Third Proportional to 1,401,828 and 2,196,180

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401,828 : 2,196,180 = 2,196,180 : x
2. Step 2: Convert to fraction form
   1,401,828/2,196,180 = 2,196,180/x
3. Step 3: Cross multiply
   1,401,828x = 2,196,180 × 2,196,180
4. Step 4: Simplify right side
   1,401,828x = 4,823,206,592,400
5. Step 5: Solve for x
   x = 4,823,206,592,400/1,401,828
6. Step 6: Final answer
   x = 3,440,655.05