Finding the Third Proportional to 579,546 and 1,222,020

Step by Step Solution

1. Step 1: Write the proportion equation
   579,546 : 1,222,020 = 1,222,020 : x
2. Step 2: Convert to fraction form
   579,546/1,222,020 = 1,222,020/x
3. Step 3: Cross multiply
   579,546x = 1,222,020 × 1,222,020
4. Step 4: Simplify right side
   579,546x = 1,493,332,880,400
5. Step 5: Solve for x
   x = 1,493,332,880,400/579,546
6. Step 6: Final answer
   x = 2,576,728.82