Finding the Third Proportional to 13,238 and 28,399

Step by Step Solution

1. Step 1: Write the proportion equation
   13,238 : 28,399 = 28,399 : x
2. Step 2: Convert to fraction form
   13,238/28,399 = 28,399/x
3. Step 3: Cross multiply
   13,238x = 28,399 × 28,399
4. Step 4: Simplify right side
   13,238x = 806,503,201
5. Step 5: Solve for x
   x = 806,503,201/13,238
6. Step 6: Final answer
   x = 60,923.34