Finding the Third Proportional to 11,378 and 17,571

Step by Step Solution

1. Step 1: Write the proportion equation
   11,378 : 17,571 = 17,571 : x
2. Step 2: Convert to fraction form
   11,378/17,571 = 17,571/x
3. Step 3: Cross multiply
   11,378x = 17,571 × 17,571
4. Step 4: Simplify right side
   11,378x = 308,740,041
5. Step 5: Solve for x
   x = 308,740,041/11,378
6. Step 6: Final answer
   x = 27,134.83