Finding the Third Proportional to 9,555 and 12,837

Step by Step Solution

1. Step 1: Write the proportion equation
   9,555 : 12,837 = 12,837 : x
2. Step 2: Convert to fraction form
   9,555/12,837 = 12,837/x
3. Step 3: Cross multiply
   9,555x = 12,837 × 12,837
4. Step 4: Simplify right side
   9,555x = 164,788,569
5. Step 5: Solve for x
   x = 164,788,569/9,555
6. Step 6: Final answer
   x = 17,246.32