Finding the Third Proportional to 9,351 and 12,599

Step by Step Solution

1. Step 1: Write the proportion equation
   9,351 : 12,599 = 12,599 : x
2. Step 2: Convert to fraction form
   9,351/12,599 = 12,599/x
3. Step 3: Cross multiply
   9,351x = 12,599 × 12,599
4. Step 4: Simplify right side
   9,351x = 158,734,801
5. Step 5: Solve for x
   x = 158,734,801/9,351
6. Step 6: Final answer
   x = 16,975.17