Finding the Third Proportional to 13,790 and 30,496

Step by Step Solution

1. Step 1: Write the proportion equation
   13,790 : 30,496 = 30,496 : x
2. Step 2: Convert to fraction form
   13,790/30,496 = 30,496/x
3. Step 3: Cross multiply
   13,790x = 30,496 × 30,496
4. Step 4: Simplify right side
   13,790x = 930,006,016
5. Step 5: Solve for x
   x = 930,006,016/13,790
6. Step 6: Final answer
   x = 67,440.61