Finding the Third Proportional to 13,221 and 17,947

Step by Step Solution

1. Step 1: Write the proportion equation
   13,221 : 17,947 = 17,947 : x
2. Step 2: Convert to fraction form
   13,221/17,947 = 17,947/x
3. Step 3: Cross multiply
   13,221x = 17,947 × 17,947
4. Step 4: Simplify right side
   13,221x = 322,094,809
5. Step 5: Solve for x
   x = 322,094,809/13,221
6. Step 6: Final answer
   x = 24,362.36