Finding the Third Proportional to 151.52 and 313.52

Step by Step Solution

1. Step 1: Write the proportion equation
   151.52 : 313.52 = 313.52 : x
2. Step 2: Convert to fraction form
   151.52/313.52 = 313.52/x
3. Step 3: Cross multiply
   151.52x = 313.52 × 313.52
4. Step 4: Simplify right side
   151.52x = 98,296.95
5. Step 5: Solve for x
   x = 98,296.95/151.52
6. Step 6: Final answer
   x = 648.72