Finding the Third Proportional to 151.50 and 211.45

Step by Step Solution

1. Step 1: Write the proportion equation
   151.50 : 211.45 = 211.45 : x
2. Step 2: Convert to fraction form
   151.50/211.45 = 211.45/x
3. Step 3: Cross multiply
   151.50x = 211.45 × 211.45
4. Step 4: Simplify right side
   151.50x = 44,712.42
5. Step 5: Solve for x
   x = 44,712.42/151.50
6. Step 6: Final answer
   x = 295.13