Finding the Third Proportional to 25,742 and 55,912

Step by Step Solution

1. Step 1: Write the proportion equation
   25,742 : 55,912 = 55,912 : x
2. Step 2: Convert to fraction form
   25,742/55,912 = 55,912/x
3. Step 3: Cross multiply
   25,742x = 55,912 × 55,912
4. Step 4: Simplify right side
   25,742x = 3,126,151,744
5. Step 5: Solve for x
   x = 3,126,151,744/25,742
6. Step 6: Final answer
   x = 121,441.68