Finding the Third Proportional to 8,234.16 and 12,328.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,234.16 : 12,328.88 = 12,328.88 : x
2. Step 2: Convert to fraction form
   8,234.16/12,328.88 = 12,328.88/x
3. Step 3: Cross multiply
   8,234.16x = 12,328.88 × 12,328.88
4. Step 4: Simplify right side
   8,234.16x = 152,001,158.77
5. Step 5: Solve for x
   x = 152,001,158.77/8,234.16
6. Step 6: Final answer
   x = 18,459.83