Finding the Third Proportional to 12,754 and 19,699

Step by Step Solution

1. Step 1: Write the proportion equation
   12,754 : 19,699 = 19,699 : x
2. Step 2: Convert to fraction form
   12,754/19,699 = 19,699/x
3. Step 3: Cross multiply
   12,754x = 19,699 × 19,699
4. Step 4: Simplify right side
   12,754x = 388,050,601
5. Step 5: Solve for x
   x = 388,050,601/12,754
6. Step 6: Final answer
   x = 30,425.80