Finding the Third Proportional to 3,513.38 and 7,724.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,513.38 : 7,724.25 = 7,724.25 : x
2. Step 2: Convert to fraction form
   3,513.38/7,724.25 = 7,724.25/x
3. Step 3: Cross multiply
   3,513.38x = 7,724.25 × 7,724.25
4. Step 4: Simplify right side
   3,513.38x = 59,664,038.06
5. Step 5: Solve for x
   x = 59,664,038.06/3,513.38
6. Step 6: Final answer
   x = 16,981.97