Finding the Third Proportional to 268,946.50 and 585,211

Step by Step Solution

1. Step 1: Write the proportion equation
   268,946.50 : 585,211 = 585,211 : x
2. Step 2: Convert to fraction form
   268,946.50/585,211 = 585,211/x
3. Step 3: Cross multiply
   268,946.50x = 585,211 × 585,211
4. Step 4: Simplify right side
   268,946.50x = 342,471,914,521
5. Step 5: Solve for x
   x = 342,471,914,521/268,946.50
6. Step 6: Final answer
   x = 1,273,383.05