Finding the Third Proportional to 3,199.50 and 7,434

Step by Step Solution

1. Step 1: Write the proportion equation
   3,199.50 : 7,434 = 7,434 : x
2. Step 2: Convert to fraction form
   3,199.50/7,434 = 7,434/x
3. Step 3: Cross multiply
   3,199.50x = 7,434 × 7,434
4. Step 4: Simplify right side
   3,199.50x = 55,264,356
5. Step 5: Solve for x
   x = 55,264,356/3,199.50
6. Step 6: Final answer
   x = 17,272.81