Finding the Third Proportional to 4,859 and 10,426

Step by Step Solution

1. Step 1: Write the proportion equation
   4,859 : 10,426 = 10,426 : x
2. Step 2: Convert to fraction form
   4,859/10,426 = 10,426/x
3. Step 3: Cross multiply
   4,859x = 10,426 × 10,426
4. Step 4: Simplify right side
   4,859x = 108,701,476
5. Step 5: Solve for x
   x = 108,701,476/4,859
6. Step 6: Final answer
   x = 22,371.16