Finding the Third Proportional to 13,839 and 30,005

Step by Step Solution

1. Step 1: Write the proportion equation
   13,839 : 30,005 = 30,005 : x
2. Step 2: Convert to fraction form
   13,839/30,005 = 30,005/x
3. Step 3: Cross multiply
   13,839x = 30,005 × 30,005
4. Step 4: Simplify right side
   13,839x = 900,300,025
5. Step 5: Solve for x
   x = 900,300,025/13,839
6. Step 6: Final answer
   x = 65,055.28