Finding the Third Proportional to 3,502.50 and 7,521

Step by Step Solution

1. Step 1: Write the proportion equation
   3,502.50 : 7,521 = 7,521 : x
2. Step 2: Convert to fraction form
   3,502.50/7,521 = 7,521/x
3. Step 3: Cross multiply
   3,502.50x = 7,521 × 7,521
4. Step 4: Simplify right side
   3,502.50x = 56,565,441
5. Step 5: Solve for x
   x = 56,565,441/3,502.50
6. Step 6: Final answer
   x = 16,150.02