Finding the Third Proportional to 3,510.21 and 7,671.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,510.21 : 7,671.59 = 7,671.59 : x
2. Step 2: Convert to fraction form
   3,510.21/7,671.59 = 7,671.59/x
3. Step 3: Cross multiply
   3,510.21x = 7,671.59 × 7,671.59
4. Step 4: Simplify right side
   3,510.21x = 58,853,230.80
5. Step 5: Solve for x
   x = 58,853,230.80/3,510.21
6. Step 6: Final answer
   x = 16,766.29