Finding the Third Proportional to 13,993 and 30,530

Step by Step Solution

1. Step 1: Write the proportion equation
   13,993 : 30,530 = 30,530 : x
2. Step 2: Convert to fraction form
   13,993/30,530 = 30,530/x
3. Step 3: Cross multiply
   13,993x = 30,530 × 30,530
4. Step 4: Simplify right side
   13,993x = 932,080,900
5. Step 5: Solve for x
   x = 932,080,900/13,993
6. Step 6: Final answer
   x = 66,610.51