Finding the Third Proportional to 12,220 and 17,338

Step by Step Solution

1. Step 1: Write the proportion equation
   12,220 : 17,338 = 17,338 : x
2. Step 2: Convert to fraction form
   12,220/17,338 = 17,338/x
3. Step 3: Cross multiply
   12,220x = 17,338 × 17,338
4. Step 4: Simplify right side
   12,220x = 300,606,244
5. Step 5: Solve for x
   x = 300,606,244/12,220
6. Step 6: Final answer
   x = 24,599.53