Finding the Third Proportional to 12,136 and 17,538

Step by Step Solution

1. Step 1: Write the proportion equation
   12,136 : 17,538 = 17,538 : x
2. Step 2: Convert to fraction form
   12,136/17,538 = 17,538/x
3. Step 3: Cross multiply
   12,136x = 17,538 × 17,538
4. Step 4: Simplify right side
   12,136x = 307,581,444
5. Step 5: Solve for x
   x = 307,581,444/12,136
6. Step 6: Final answer
   x = 25,344.55