Finding the Third Proportional to 25.37 and 42.10

Step by Step Solution

1. Step 1: Write the proportion equation
   25.37 : 42.10 = 42.10 : x
2. Step 2: Convert to fraction form
   25.37/42.10 = 42.10/x
3. Step 3: Cross multiply
   25.37x = 42.10 × 42.10
4. Step 4: Simplify right side
   25.37x = 1,772.01
5. Step 5: Solve for x
   x = 1,772.01/25.37
6. Step 6: Final answer
   x = 69.84