Finding the Third Proportional to 17,516 and 27,168

Step by Step Solution

1. Step 1: Write the proportion equation
   17,516 : 27,168 = 27,168 : x
2. Step 2: Convert to fraction form
   17,516/27,168 = 27,168/x
3. Step 3: Cross multiply
   17,516x = 27,168 × 27,168
4. Step 4: Simplify right side
   17,516x = 738,100,224
5. Step 5: Solve for x
   x = 738,100,224/17,516
6. Step 6: Final answer
   x = 42,138.63