Finding the Third Proportional to 151.50 and 248.06

Step by Step Solution

1. Step 1: Write the proportion equation
   151.50 : 248.06 = 248.06 : x
2. Step 2: Convert to fraction form
   151.50/248.06 = 248.06/x
3. Step 3: Cross multiply
   151.50x = 248.06 × 248.06
4. Step 4: Simplify right side
   151.50x = 61,535.00
5. Step 5: Solve for x
   x = 61,535.00/151.50
6. Step 6: Final answer
   x = 406.17