Finding the Third Proportional to 8,800.50 and 12,830.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,800.50 : 12,830.25 = 12,830.25 : x
2. Step 2: Convert to fraction form
   8,800.50/12,830.25 = 12,830.25/x
3. Step 3: Cross multiply
   8,800.50x = 12,830.25 × 12,830.25
4. Step 4: Simplify right side
   8,800.50x = 164,615,315.06
5. Step 5: Solve for x
   x = 164,615,315.06/8,800.50
6. Step 6: Final answer
   x = 18,705.22