Finding the Third Proportional to 13,939 and 28,238

Step by Step Solution

1. Step 1: Write the proportion equation
   13,939 : 28,238 = 28,238 : x
2. Step 2: Convert to fraction form
   13,939/28,238 = 28,238/x
3. Step 3: Cross multiply
   13,939x = 28,238 × 28,238
4. Step 4: Simplify right side
   13,939x = 797,384,644
5. Step 5: Solve for x
   x = 797,384,644/13,939
6. Step 6: Final answer
   x = 57,205.30