Finding the Third Proportional to 799,144 and 1,206,980

Step by Step Solution

1. Step 1: Write the proportion equation
   799,144 : 1,206,980 = 1,206,980 : x
2. Step 2: Convert to fraction form
   799,144/1,206,980 = 1,206,980/x
3. Step 3: Cross multiply
   799,144x = 1,206,980 × 1,206,980
4. Step 4: Simplify right side
   799,144x = 1,456,800,720,400
5. Step 5: Solve for x
   x = 1,456,800,720,400/799,144
6. Step 6: Final answer
   x = 1,822,951.46