Finding the Third Proportional to 2,871 and 7,753.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,871 : 7,753.50 = 7,753.50 : x
2. Step 2: Convert to fraction form
   2,871/7,753.50 = 7,753.50/x
3. Step 3: Cross multiply
   2,871x = 7,753.50 × 7,753.50
4. Step 4: Simplify right side
   2,871x = 60,116,762.25
5. Step 5: Solve for x
   x = 60,116,762.25/2,871
6. Step 6: Final answer
   x = 20,939.31