Finding the Third Proportional to 221,292 and 479,844

Step by Step Solution

1. Step 1: Write the proportion equation
   221,292 : 479,844 = 479,844 : x
2. Step 2: Convert to fraction form
   221,292/479,844 = 479,844/x
3. Step 3: Cross multiply
   221,292x = 479,844 × 479,844
4. Step 4: Simplify right side
   221,292x = 230,250,264,336
5. Step 5: Solve for x
   x = 230,250,264,336/221,292
6. Step 6: Final answer
   x = 1,040,481.65