Finding the Third Proportional to 2,920.50 and 5,087.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,920.50 : 5,087.25 = 5,087.25 : x
2. Step 2: Convert to fraction form
   2,920.50/5,087.25 = 5,087.25/x
3. Step 3: Cross multiply
   2,920.50x = 5,087.25 × 5,087.25
4. Step 4: Simplify right side
   2,920.50x = 25,880,112.56
5. Step 5: Solve for x
   x = 25,880,112.56/2,920.50
6. Step 6: Final answer
   x = 8,861.53