Finding the Third Proportional to 2,985.75 and 7,228.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,985.75 : 7,228.13 = 7,228.13 : x
2. Step 2: Convert to fraction form
   2,985.75/7,228.13 = 7,228.13/x
3. Step 3: Cross multiply
   2,985.75x = 7,228.13 × 7,228.13
4. Step 4: Simplify right side
   2,985.75x = 52,245,791.02
5. Step 5: Solve for x
   x = 52,245,791.02/2,985.75
6. Step 6: Final answer
   x = 17,498.38