Finding the Third Proportional to 13,938 and 30,180

Step by Step Solution

1. Step 1: Write the proportion equation
   13,938 : 30,180 = 30,180 : x
2. Step 2: Convert to fraction form
   13,938/30,180 = 30,180/x
3. Step 3: Cross multiply
   13,938x = 30,180 × 30,180
4. Step 4: Simplify right side
   13,938x = 910,832,400
5. Step 5: Solve for x
   x = 910,832,400/13,938
6. Step 6: Final answer
   x = 65,348.86