Finding the Third Proportional to 25,408 and 55,400

Step by Step Solution

1. Step 1: Write the proportion equation
   25,408 : 55,400 = 55,400 : x
2. Step 2: Convert to fraction form
   25,408/55,400 = 55,400/x
3. Step 3: Cross multiply
   25,408x = 55,400 × 55,400
4. Step 4: Simplify right side
   25,408x = 3,069,160,000
5. Step 5: Solve for x
   x = 3,069,160,000/25,408
6. Step 6: Final answer
   x = 120,795.03