Finding the Third Proportional to 25,400 and 55,722

Step by Step Solution

1. Step 1: Write the proportion equation
   25,400 : 55,722 = 55,722 : x
2. Step 2: Convert to fraction form
   25,400/55,722 = 55,722/x
3. Step 3: Cross multiply
   25,400x = 55,722 × 55,722
4. Step 4: Simplify right side
   25,400x = 3,104,941,284
5. Step 5: Solve for x
   x = 3,104,941,284/25,400
6. Step 6: Final answer
   x = 122,241.78