Finding the Third Proportional to 187.59 and 308.53

Step by Step Solution

1. Step 1: Write the proportion equation
   187.59 : 308.53 = 308.53 : x
2. Step 2: Convert to fraction form
   187.59/308.53 = 308.53/x
3. Step 3: Cross multiply
   187.59x = 308.53 × 308.53
4. Step 4: Simplify right side
   187.59x = 95,191.53
5. Step 5: Solve for x
   x = 95,191.53/187.59
6. Step 6: Final answer
   x = 507.43