Finding the Third Proportional to 9,938 and 13,449

Step by Step Solution

1. Step 1: Write the proportion equation
   9,938 : 13,449 = 13,449 : x
2. Step 2: Convert to fraction form
   9,938/13,449 = 13,449/x
3. Step 3: Cross multiply
   9,938x = 13,449 × 13,449
4. Step 4: Simplify right side
   9,938x = 180,875,601
5. Step 5: Solve for x
   x = 180,875,601/9,938
6. Step 6: Final answer
   x = 18,200.40