Finding the Third Proportional to 3,721 and 5,529.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,721 : 5,529.50 = 5,529.50 : x
2. Step 2: Convert to fraction form
   3,721/5,529.50 = 5,529.50/x
3. Step 3: Cross multiply
   3,721x = 5,529.50 × 5,529.50
4. Step 4: Simplify right side
   3,721x = 30,575,370.25
5. Step 5: Solve for x
   x = 30,575,370.25/3,721
6. Step 6: Final answer
   x = 8,216.98