Finding the Third Proportional to 4,515 and 10,456.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,515 : 10,456.50 = 10,456.50 : x
2. Step 2: Convert to fraction form
   4,515/10,456.50 = 10,456.50/x
3. Step 3: Cross multiply
   4,515x = 10,456.50 × 10,456.50
4. Step 4: Simplify right side
   4,515x = 109,338,392.25
5. Step 5: Solve for x
   x = 109,338,392.25/4,515
6. Step 6: Final answer
   x = 24,216.70