Finding the Third Proportional to 571,798 and 1,222,288

Step by Step Solution

1. Step 1: Write the proportion equation
   571,798 : 1,222,288 = 1,222,288 : x
2. Step 2: Convert to fraction form
   571,798/1,222,288 = 1,222,288/x
3. Step 3: Cross multiply
   571,798x = 1,222,288 × 1,222,288
4. Step 4: Simplify right side
   571,798x = 1,493,987,954,944
5. Step 5: Solve for x
   x = 1,493,987,954,944/571,798
6. Step 6: Final answer
   x = 2,612,789.75