Finding the Third Proportional to 10,472 and 13,812

Step by Step Solution

1. Step 1: Write the proportion equation
   10,472 : 13,812 = 13,812 : x
2. Step 2: Convert to fraction form
   10,472/13,812 = 13,812/x
3. Step 3: Cross multiply
   10,472x = 13,812 × 13,812
4. Step 4: Simplify right side
   10,472x = 190,771,344
5. Step 5: Solve for x
   x = 190,771,344/10,472
6. Step 6: Final answer
   x = 18,217.28