Finding the Third Proportional to 10,426 and 13,976

Step by Step Solution

1. Step 1: Write the proportion equation
   10,426 : 13,976 = 13,976 : x
2. Step 2: Convert to fraction form
   10,426/13,976 = 13,976/x
3. Step 3: Cross multiply
   10,426x = 13,976 × 13,976
4. Step 4: Simplify right side
   10,426x = 195,328,576
5. Step 5: Solve for x
   x = 195,328,576/10,426
6. Step 6: Final answer
   x = 18,734.76