Finding the Third Proportional to 8,960.63 and 13,019.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,960.63 : 13,019.06 = 13,019.06 : x
2. Step 2: Convert to fraction form
   8,960.63/13,019.06 = 13,019.06/x
3. Step 3: Cross multiply
   8,960.63x = 13,019.06 × 13,019.06
4. Step 4: Simplify right side
   8,960.63x = 169,495,988.38
5. Step 5: Solve for x
   x = 169,495,988.38/8,960.63
6. Step 6: Final answer
   x = 18,915.64