Finding the Third Proportional to 228,052 and 485,628

Step by Step Solution

1. Step 1: Write the proportion equation
   228,052 : 485,628 = 485,628 : x
2. Step 2: Convert to fraction form
   228,052/485,628 = 485,628/x
3. Step 3: Cross multiply
   228,052x = 485,628 × 485,628
4. Step 4: Simplify right side
   228,052x = 235,834,554,384
5. Step 5: Solve for x
   x = 235,834,554,384/228,052
6. Step 6: Final answer
   x = 1,034,126.23