Finding the Third Proportional to 4,545.28 and 7,017.89

Step by Step Solution

1. Step 1: Write the proportion equation
   4,545.28 : 7,017.89 = 7,017.89 : x
2. Step 2: Convert to fraction form
   4,545.28/7,017.89 = 7,017.89/x
3. Step 3: Cross multiply
   4,545.28x = 7,017.89 × 7,017.89
4. Step 4: Simplify right side
   4,545.28x = 49,250,788.82
5. Step 5: Solve for x
   x = 49,250,788.82/4,545.28
6. Step 6: Final answer
   x = 10,835.59