Finding the Third Proportional to 548.50 and 1,208

Step by Step Solution

1. Step 1: Write the proportion equation
   548.50 : 1,208 = 1,208 : x
2. Step 2: Convert to fraction form
   548.50/1,208 = 1,208/x
3. Step 3: Cross multiply
   548.50x = 1,208 × 1,208
4. Step 4: Simplify right side
   548.50x = 1,459,264
5. Step 5: Solve for x
   x = 1,459,264/548.50
6. Step 6: Final answer
   x = 2,660.46