Finding the Third Proportional to 25.50 and 59.81

Step by Step Solution

1. Step 1: Write the proportion equation
   25.50 : 59.81 = 59.81 : x
2. Step 2: Convert to fraction form
   25.50/59.81 = 59.81/x
3. Step 3: Cross multiply
   25.50x = 59.81 × 59.81
4. Step 4: Simplify right side
   25.50x = 3,577.54
5. Step 5: Solve for x
   x = 3,577.54/25.50
6. Step 6: Final answer
   x = 140.30