Finding the Third Proportional to 56.94 and 124.56

Step by Step Solution

1. Step 1: Write the proportion equation
   56.94 : 124.56 = 124.56 : x
2. Step 2: Convert to fraction form
   56.94/124.56 = 124.56/x
3. Step 3: Cross multiply
   56.94x = 124.56 × 124.56
4. Step 4: Simplify right side
   56.94x = 15,515.82
5. Step 5: Solve for x
   x = 15,515.82/56.94
6. Step 6: Final answer
   x = 272.51