Finding the Third Proportional to 6,436 and 10,087

Step by Step Solution

1. Step 1: Write the proportion equation
   6,436 : 10,087 = 10,087 : x
2. Step 2: Convert to fraction form
   6,436/10,087 = 10,087/x
3. Step 3: Cross multiply
   6,436x = 10,087 × 10,087
4. Step 4: Simplify right side
   6,436x = 101,747,569
5. Step 5: Solve for x
   x = 101,747,569/6,436
6. Step 6: Final answer
   x = 15,809.13