Finding the Third Proportional to 7,515 and 10,081.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,515 : 10,081.50 = 10,081.50 : x
2. Step 2: Convert to fraction form
   7,515/10,081.50 = 10,081.50/x
3. Step 3: Cross multiply
   7,515x = 10,081.50 × 10,081.50
4. Step 4: Simplify right side
   7,515x = 101,636,642.25
5. Step 5: Solve for x
   x = 101,636,642.25/7,515
6. Step 6: Final answer
   x = 13,524.50