Finding the Third Proportional to 13,920 and 30,483

Step by Step Solution

1. Step 1: Write the proportion equation
   13,920 : 30,483 = 30,483 : x
2. Step 2: Convert to fraction form
   13,920/30,483 = 30,483/x
3. Step 3: Cross multiply
   13,920x = 30,483 × 30,483
4. Step 4: Simplify right side
   13,920x = 929,213,289
5. Step 5: Solve for x
   x = 929,213,289/13,920
6. Step 6: Final answer
   x = 66,753.83