Finding the Third Proportional to 25.43 and 53.86

Step by Step Solution

1. Step 1: Write the proportion equation
   25.43 : 53.86 = 53.86 : x
2. Step 2: Convert to fraction form
   25.43/53.86 = 53.86/x
3. Step 3: Cross multiply
   25.43x = 53.86 × 53.86
4. Step 4: Simplify right side
   25.43x = 2,900.98
5. Step 5: Solve for x
   x = 2,900.98/25.43
6. Step 6: Final answer
   x = 114.08