Finding the Third Proportional to 25,503 and 55,451

Step by Step Solution

1. Step 1: Write the proportion equation
   25,503 : 55,451 = 55,451 : x
2. Step 2: Convert to fraction form
   25,503/55,451 = 55,451/x
3. Step 3: Cross multiply
   25,503x = 55,451 × 55,451
4. Step 4: Simplify right side
   25,503x = 3,074,813,401
5. Step 5: Solve for x
   x = 3,074,813,401/25,503
6. Step 6: Final answer
   x = 120,566.73