Finding the Third Proportional to 13,938 and 30,648

Step by Step Solution

1. Step 1: Write the proportion equation
   13,938 : 30,648 = 30,648 : x
2. Step 2: Convert to fraction form
   13,938/30,648 = 30,648/x
3. Step 3: Cross multiply
   13,938x = 30,648 × 30,648
4. Step 4: Simplify right side
   13,938x = 939,299,904
5. Step 5: Solve for x
   x = 939,299,904/13,938
6. Step 6: Final answer
   x = 67,391.30