Finding the Third Proportional to 12,622 and 17,653

Step by Step Solution

1. Step 1: Write the proportion equation
   12,622 : 17,653 = 17,653 : x
2. Step 2: Convert to fraction form
   12,622/17,653 = 17,653/x
3. Step 3: Cross multiply
   12,622x = 17,653 × 17,653
4. Step 4: Simplify right side
   12,622x = 311,628,409
5. Step 5: Solve for x
   x = 311,628,409/12,622
6. Step 6: Final answer
   x = 24,689.31