Finding the Third Proportional to 9,360.56 and 13,165.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,360.56 : 13,165.03 = 13,165.03 : x
2. Step 2: Convert to fraction form
   9,360.56/13,165.03 = 13,165.03/x
3. Step 3: Cross multiply
   9,360.56x = 13,165.03 × 13,165.03
4. Step 4: Simplify right side
   9,360.56x = 173,318,047.81
5. Step 5: Solve for x
   x = 173,318,047.81/9,360.56
6. Step 6: Final answer
   x = 18,515.77