Finding the Third Proportional to 124.25 and 266.56

Step by Step Solution

1. Step 1: Write the proportion equation
   124.25 : 266.56 = 266.56 : x
2. Step 2: Convert to fraction form
   124.25/266.56 = 266.56/x
3. Step 3: Cross multiply
   124.25x = 266.56 × 266.56
4. Step 4: Simplify right side
   124.25x = 71,055.57
5. Step 5: Solve for x
   x = 71,055.57/124.25
6. Step 6: Final answer
   x = 571.88