Finding the Third Proportional to 13,389 and 23,970

Step by Step Solution

1. Step 1: Write the proportion equation
   13,389 : 23,970 = 23,970 : x
2. Step 2: Convert to fraction form
   13,389/23,970 = 23,970/x
3. Step 3: Cross multiply
   13,389x = 23,970 × 23,970
4. Step 4: Simplify right side
   13,389x = 574,560,900
5. Step 5: Solve for x
   x = 574,560,900/13,389
6. Step 6: Final answer
   x = 42,912.91