Finding the Third Proportional to 151.25 and 325.25

Step by Step Solution

1. Step 1: Write the proportion equation
   151.25 : 325.25 = 325.25 : x
2. Step 2: Convert to fraction form
   151.25/325.25 = 325.25/x
3. Step 3: Cross multiply
   151.25x = 325.25 × 325.25
4. Step 4: Simplify right side
   151.25x = 105,787.56
5. Step 5: Solve for x
   x = 105,787.56/151.25
6. Step 6: Final answer
   x = 699.42