Finding the Third Proportional to 13,869 and 30,330

Step by Step Solution

1. Step 1: Write the proportion equation
   13,869 : 30,330 = 30,330 : x
2. Step 2: Convert to fraction form
   13,869/30,330 = 30,330/x
3. Step 3: Cross multiply
   13,869x = 30,330 × 30,330
4. Step 4: Simplify right side
   13,869x = 919,908,900
5. Step 5: Solve for x
   x = 919,908,900/13,869
6. Step 6: Final answer
   x = 66,328.42