Finding the Third Proportional to 8,443 and 18,476

Step by Step Solution

1. Step 1: Write the proportion equation
   8,443 : 18,476 = 18,476 : x
2. Step 2: Convert to fraction form
   8,443/18,476 = 18,476/x
3. Step 3: Cross multiply
   8,443x = 18,476 × 18,476
4. Step 4: Simplify right side
   8,443x = 341,362,576
5. Step 5: Solve for x
   x = 341,362,576/8,443
6. Step 6: Final answer
   x = 40,431.43