Finding the Third Proportional to 60.28 and 131.45

Step by Step Solution

1. Step 1: Write the proportion equation
   60.28 : 131.45 = 131.45 : x
2. Step 2: Convert to fraction form
   60.28/131.45 = 131.45/x
3. Step 3: Cross multiply
   60.28x = 131.45 × 131.45
4. Step 4: Simplify right side
   60.28x = 17,279.92
5. Step 5: Solve for x
   x = 17,279.92/60.28
6. Step 6: Final answer
   x = 286.66