Finding the Third Proportional to 561.50 and 1,304

Step by Step Solution

1. Step 1: Write the proportion equation
   561.50 : 1,304 = 1,304 : x
2. Step 2: Convert to fraction form
   561.50/1,304 = 1,304/x
3. Step 3: Cross multiply
   561.50x = 1,304 × 1,304
4. Step 4: Simplify right side
   561.50x = 1,700,416
5. Step 5: Solve for x
   x = 1,700,416/561.50
6. Step 6: Final answer
   x = 3,028.35