Finding the Third Proportional to 228,048 and 485,622

Step by Step Solution

1. Step 1: Write the proportion equation
   228,048 : 485,622 = 485,622 : x
2. Step 2: Convert to fraction form
   228,048/485,622 = 485,622/x
3. Step 3: Cross multiply
   228,048x = 485,622 × 485,622
4. Step 4: Simplify right side
   228,048x = 235,828,726,884
5. Step 5: Solve for x
   x = 235,828,726,884/228,048
6. Step 6: Final answer
   x = 1,034,118.81