Finding the Third Proportional to 11,225 and 12,425

Step by Step Solution

1. Step 1: Write the proportion equation
   11,225 : 12,425 = 12,425 : x
2. Step 2: Convert to fraction form
   11,225/12,425 = 12,425/x
3. Step 3: Cross multiply
   11,225x = 12,425 × 12,425
4. Step 4: Simplify right side
   11,225x = 154,380,625
5. Step 5: Solve for x
   x = 154,380,625/11,225
6. Step 6: Final answer
   x = 13,753.29