Finding the Third Proportional to 1,223,105 and 1,798,707

Step by Step Solution

1. Step 1: Write the proportion equation
   1,223,105 : 1,798,707 = 1,798,707 : x
2. Step 2: Convert to fraction form
   1,223,105/1,798,707 = 1,798,707/x
3. Step 3: Cross multiply
   1,223,105x = 1,798,707 × 1,798,707
4. Step 4: Simplify right side
   1,223,105x = 3,235,346,871,849
5. Step 5: Solve for x
   x = 3,235,346,871,849/1,223,105
6. Step 6: Final answer
   x = 2,645,191.44