Finding the Third Proportional to 517,417 and 1,131,021

Step by Step Solution

1. Step 1: Write the proportion equation
   517,417 : 1,131,021 = 1,131,021 : x
2. Step 2: Convert to fraction form
   517,417/1,131,021 = 1,131,021/x
3. Step 3: Cross multiply
   517,417x = 1,131,021 × 1,131,021
4. Step 4: Simplify right side
   517,417x = 1,279,208,502,441
5. Step 5: Solve for x
   x = 1,279,208,502,441/517,417
6. Step 6: Final answer
   x = 2,472,297.01