Finding the Third Proportional to 25.31 and 59.48

Step by Step Solution

1. Step 1: Write the proportion equation
   25.31 : 59.48 = 59.48 : x
2. Step 2: Convert to fraction form
   25.31/59.48 = 59.48/x
3. Step 3: Cross multiply
   25.31x = 59.48 × 59.48
4. Step 4: Simplify right side
   25.31x = 3,538.39
5. Step 5: Solve for x
   x = 3,538.39/25.31
6. Step 6: Final answer
   x = 139.79