Finding the Third Proportional to 8,815.50 and 12,088

Step by Step Solution

1. Step 1: Write the proportion equation
   8,815.50 : 12,088 = 12,088 : x
2. Step 2: Convert to fraction form
   8,815.50/12,088 = 12,088/x
3. Step 3: Cross multiply
   8,815.50x = 12,088 × 12,088
4. Step 4: Simplify right side
   8,815.50x = 146,119,744
5. Step 5: Solve for x
   x = 146,119,744/8,815.50
6. Step 6: Final answer
   x = 16,575.32