Finding the Third Proportional to 13,089.50 and 28,284.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,089.50 : 28,284.50 = 28,284.50 : x
2. Step 2: Convert to fraction form
   13,089.50/28,284.50 = 28,284.50/x
3. Step 3: Cross multiply
   13,089.50x = 28,284.50 × 28,284.50
4. Step 4: Simplify right side
   13,089.50x = 800,012,940.25
5. Step 5: Solve for x
   x = 800,012,940.25/13,089.50
6. Step 6: Final answer
   x = 61,118.68