Finding the Third Proportional to 1,223,109 and 1,798,713

Step by Step Solution

1. Step 1: Write the proportion equation
   1,223,109 : 1,798,713 = 1,798,713 : x
2. Step 2: Convert to fraction form
   1,223,109/1,798,713 = 1,798,713/x
3. Step 3: Cross multiply
   1,223,109x = 1,798,713 × 1,798,713
4. Step 4: Simplify right side
   1,223,109x = 3,235,368,456,369
5. Step 5: Solve for x
   x = 3,235,368,456,369/1,223,109
6. Step 6: Final answer
   x = 2,645,200.43