Finding the Third Proportional to 13,389 and 17,370

Step by Step Solution

1. Step 1: Write the proportion equation
   13,389 : 17,370 = 17,370 : x
2. Step 2: Convert to fraction form
   13,389/17,370 = 17,370/x
3. Step 3: Cross multiply
   13,389x = 17,370 × 17,370
4. Step 4: Simplify right side
   13,389x = 301,716,900
5. Step 5: Solve for x
   x = 301,716,900/13,389
6. Step 6: Final answer
   x = 22,534.69