Finding the Third Proportional to 8,787 and 10,155

Step by Step Solution

1. Step 1: Write the proportion equation
   8,787 : 10,155 = 10,155 : x
2. Step 2: Convert to fraction form
   8,787/10,155 = 10,155/x
3. Step 3: Cross multiply
   8,787x = 10,155 × 10,155
4. Step 4: Simplify right side
   8,787x = 103,124,025
5. Step 5: Solve for x
   x = 103,124,025/8,787
6. Step 6: Final answer
   x = 11,735.98