Finding the Third Proportional to 225,272 and 487,722

Step by Step Solution

1. Step 1: Write the proportion equation
   225,272 : 487,722 = 487,722 : x
2. Step 2: Convert to fraction form
   225,272/487,722 = 487,722/x
3. Step 3: Cross multiply
   225,272x = 487,722 × 487,722
4. Step 4: Simplify right side
   225,272x = 237,872,749,284
5. Step 5: Solve for x
   x = 237,872,749,284/225,272
6. Step 6: Final answer
   x = 1,055,935.71