Finding the Third Proportional to 6,783 and 10,617

Step by Step Solution

1. Step 1: Write the proportion equation
   6,783 : 10,617 = 10,617 : x
2. Step 2: Convert to fraction form
   6,783/10,617 = 10,617/x
3. Step 3: Cross multiply
   6,783x = 10,617 × 10,617
4. Step 4: Simplify right side
   6,783x = 112,720,689
5. Step 5: Solve for x
   x = 112,720,689/6,783
6. Step 6: Final answer
   x = 16,618.12