Finding the Third Proportional to 13,896 and 30,708

Step by Step Solution

1. Step 1: Write the proportion equation
   13,896 : 30,708 = 30,708 : x
2. Step 2: Convert to fraction form
   13,896/30,708 = 30,708/x
3. Step 3: Cross multiply
   13,896x = 30,708 × 30,708
4. Step 4: Simplify right side
   13,896x = 942,981,264
5. Step 5: Solve for x
   x = 942,981,264/13,896
6. Step 6: Final answer
   x = 67,859.91