Finding the Third Proportional to 151.13 and 314.88

Step by Step Solution

1. Step 1: Write the proportion equation
   151.13 : 314.88 = 314.88 : x
2. Step 2: Convert to fraction form
   151.13/314.88 = 314.88/x
3. Step 3: Cross multiply
   151.13x = 314.88 × 314.88
4. Step 4: Simplify right side
   151.13x = 99,146.27
5. Step 5: Solve for x
   x = 99,146.27/151.13
6. Step 6: Final answer
   x = 656.05