Finding the Third Proportional to 13,072.50 and 28,647

Step by Step Solution

1. Step 1: Write the proportion equation
   13,072.50 : 28,647 = 28,647 : x
2. Step 2: Convert to fraction form
   13,072.50/28,647 = 28,647/x
3. Step 3: Cross multiply
   13,072.50x = 28,647 × 28,647
4. Step 4: Simplify right side
   13,072.50x = 820,650,609
5. Step 5: Solve for x
   x = 820,650,609/13,072.50
6. Step 6: Final answer
   x = 62,776.87