Finding the Third Proportional to 10,396 and 16,434

Step by Step Solution

1. Step 1: Write the proportion equation
   10,396 : 16,434 = 16,434 : x
2. Step 2: Convert to fraction form
   10,396/16,434 = 16,434/x
3. Step 3: Cross multiply
   10,396x = 16,434 × 16,434
4. Step 4: Simplify right side
   10,396x = 270,076,356
5. Step 5: Solve for x
   x = 270,076,356/10,396
6. Step 6: Final answer
   x = 25,978.87