Finding the Third Proportional to 57.87 and 123.94

Step by Step Solution

1. Step 1: Write the proportion equation
   57.87 : 123.94 = 123.94 : x
2. Step 2: Convert to fraction form
   57.87/123.94 = 123.94/x
3. Step 3: Cross multiply
   57.87x = 123.94 × 123.94
4. Step 4: Simplify right side
   57.87x = 15,361.96
5. Step 5: Solve for x
   x = 15,361.96/57.87
6. Step 6: Final answer
   x = 265.47