Finding the Third Proportional to 21,832 and 30,480

Step by Step Solution

1. Step 1: Write the proportion equation
   21,832 : 30,480 = 30,480 : x
2. Step 2: Convert to fraction form
   21,832/30,480 = 30,480/x
3. Step 3: Cross multiply
   21,832x = 30,480 × 30,480
4. Step 4: Simplify right side
   21,832x = 929,030,400
5. Step 5: Solve for x
   x = 929,030,400/21,832
6. Step 6: Final answer
   x = 42,553.61