Finding the Third Proportional to 9,403 and 20,426

Step by Step Solution

1. Step 1: Write the proportion equation
   9,403 : 20,426 = 20,426 : x
2. Step 2: Convert to fraction form
   9,403/20,426 = 20,426/x
3. Step 3: Cross multiply
   9,403x = 20,426 × 20,426
4. Step 4: Simplify right side
   9,403x = 417,221,476
5. Step 5: Solve for x
   x = 417,221,476/9,403
6. Step 6: Final answer
   x = 44,371.10