Finding the Third Proportional to 225,504 and 485,028

Step by Step Solution

1. Step 1: Write the proportion equation
   225,504 : 485,028 = 485,028 : x
2. Step 2: Convert to fraction form
   225,504/485,028 = 485,028/x
3. Step 3: Cross multiply
   225,504x = 485,028 × 485,028
4. Step 4: Simplify right side
   225,504x = 235,252,160,784
5. Step 5: Solve for x
   x = 235,252,160,784/225,504
6. Step 6: Final answer
   x = 1,043,228.33