Finding the Third Proportional to 3,418.03 and 7,200.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,418.03 : 7,200.56 = 7,200.56 : x
2. Step 2: Convert to fraction form
   3,418.03/7,200.56 = 7,200.56/x
3. Step 3: Cross multiply
   3,418.03x = 7,200.56 × 7,200.56
4. Step 4: Simplify right side
   3,418.03x = 51,848,100.32
5. Step 5: Solve for x
   x = 51,848,100.32/3,418.03
6. Step 6: Final answer
   x = 15,169.00