Finding the Third Proportional to 9,439.03 and 12,520.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,439.03 : 12,520.83 = 12,520.83 : x
2. Step 2: Convert to fraction form
   9,439.03/12,520.83 = 12,520.83/x
3. Step 3: Cross multiply
   9,439.03x = 12,520.83 × 12,520.83
4. Step 4: Simplify right side
   9,439.03x = 156,771,136.94
5. Step 5: Solve for x
   x = 156,771,136.94/9,439.03
6. Step 6: Final answer
   x = 16,608.82