Finding the Third Proportional to 15,436 and 19,508

Step by Step Solution

1. Step 1: Write the proportion equation
   15,436 : 19,508 = 19,508 : x
2. Step 2: Convert to fraction form
   15,436/19,508 = 19,508/x
3. Step 3: Cross multiply
   15,436x = 19,508 × 19,508
4. Step 4: Simplify right side
   15,436x = 380,562,064
5. Step 5: Solve for x
   x = 380,562,064/15,436
6. Step 6: Final answer
   x = 24,654.19