Finding the Third Proportional to 63.56 and 134.58

Step by Step Solution

1. Step 1: Write the proportion equation
   63.56 : 134.58 = 134.58 : x
2. Step 2: Convert to fraction form
   63.56/134.58 = 134.58/x
3. Step 3: Cross multiply
   63.56x = 134.58 × 134.58
4. Step 4: Simplify right side
   63.56x = 18,111.27
5. Step 5: Solve for x
   x = 18,111.27/63.56
6. Step 6: Final answer
   x = 284.94