Finding the Third Proportional to 228,084 and 485,698

Step by Step Solution

1. Step 1: Write the proportion equation
   228,084 : 485,698 = 485,698 : x
2. Step 2: Convert to fraction form
   228,084/485,698 = 485,698/x
3. Step 3: Cross multiply
   228,084x = 485,698 × 485,698
4. Step 4: Simplify right side
   228,084x = 235,902,547,204
5. Step 5: Solve for x
   x = 235,902,547,204/228,084
6. Step 6: Final answer
   x = 1,034,279.24