Finding the Third Proportional to 268,401 and 585,030

Step by Step Solution

1. Step 1: Write the proportion equation
   268,401 : 585,030 = 585,030 : x
2. Step 2: Convert to fraction form
   268,401/585,030 = 585,030/x
3. Step 3: Cross multiply
   268,401x = 585,030 × 585,030
4. Step 4: Simplify right side
   268,401x = 342,260,100,900
5. Step 5: Solve for x
   x = 342,260,100,900/268,401
6. Step 6: Final answer
   x = 1,275,181.91