Finding the Third Proportional to 227,908 and 488,930

Step by Step Solution

1. Step 1: Write the proportion equation
   227,908 : 488,930 = 488,930 : x
2. Step 2: Convert to fraction form
   227,908/488,930 = 488,930/x
3. Step 3: Cross multiply
   227,908x = 488,930 × 488,930
4. Step 4: Simplify right side
   227,908x = 239,052,544,900
5. Step 5: Solve for x
   x = 239,052,544,900/227,908
6. Step 6: Final answer
   x = 1,048,899.31