Finding the Third Proportional to 228,042 and 485,612

Step by Step Solution

1. Step 1: Write the proportion equation
   228,042 : 485,612 = 485,612 : x
2. Step 2: Convert to fraction form
   228,042/485,612 = 485,612/x
3. Step 3: Cross multiply
   228,042x = 485,612 × 485,612
4. Step 4: Simplify right side
   228,042x = 235,819,014,544
5. Step 5: Solve for x
   x = 235,819,014,544/228,042
6. Step 6: Final answer
   x = 1,034,103.43