Finding the Third Proportional to 13,587 and 28,651.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,587 : 28,651.50 = 28,651.50 : x
2. Step 2: Convert to fraction form
   13,587/28,651.50 = 28,651.50/x
3. Step 3: Cross multiply
   13,587x = 28,651.50 × 28,651.50
4. Step 4: Simplify right side
   13,587x = 820,908,452.25
5. Step 5: Solve for x
   x = 820,908,452.25/13,587
6. Step 6: Final answer
   x = 60,418.67