Finding the Third Proportional to 233.72 and 551.39

Step by Step Solution

1. Step 1: Write the proportion equation
   233.72 : 551.39 = 551.39 : x
2. Step 2: Convert to fraction form
   233.72/551.39 = 551.39/x
3. Step 3: Cross multiply
   233.72x = 551.39 × 551.39
4. Step 4: Simplify right side
   233.72x = 304,031.62
5. Step 5: Solve for x
   x = 304,031.62/233.72
6. Step 6: Final answer
   x = 1,300.84