Finding the Third Proportional to 9,520.03 and 12,866.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,520.03 : 12,866.34 = 12,866.34 : x
2. Step 2: Convert to fraction form
   9,520.03/12,866.34 = 12,866.34/x
3. Step 3: Cross multiply
   9,520.03x = 12,866.34 × 12,866.34
4. Step 4: Simplify right side
   9,520.03x = 165,542,801.49
5. Step 5: Solve for x
   x = 165,542,801.49/9,520.03
6. Step 6: Final answer
   x = 17,388.89