Finding the Third Proportional to 2,938.50 and 3,168

Step by Step Solution

1. Step 1: Write the proportion equation
   2,938.50 : 3,168 = 3,168 : x
2. Step 2: Convert to fraction form
   2,938.50/3,168 = 3,168/x
3. Step 3: Cross multiply
   2,938.50x = 3,168 × 3,168
4. Step 4: Simplify right side
   2,938.50x = 10,036,224
5. Step 5: Solve for x
   x = 10,036,224/2,938.50
6. Step 6: Final answer
   x = 3,415.42