Finding the Third Proportional to 8,426 and 10,298

Step by Step Solution

1. Step 1: Write the proportion equation
   8,426 : 10,298 = 10,298 : x
2. Step 2: Convert to fraction form
   8,426/10,298 = 10,298/x
3. Step 3: Cross multiply
   8,426x = 10,298 × 10,298
4. Step 4: Simplify right side
   8,426x = 106,048,804
5. Step 5: Solve for x
   x = 106,048,804/8,426
6. Step 6: Final answer
   x = 12,585.90