Finding the Third Proportional to 61.25 and 124.25

Step by Step Solution

1. Step 1: Write the proportion equation
   61.25 : 124.25 = 124.25 : x
2. Step 2: Convert to fraction form
   61.25/124.25 = 124.25/x
3. Step 3: Cross multiply
   61.25x = 124.25 × 124.25
4. Step 4: Simplify right side
   61.25x = 15,438.06
5. Step 5: Solve for x
   x = 15,438.06/61.25
6. Step 6: Final answer
   x = 252.05