Finding the Third Proportional to 9,390 and 13,605

Step by Step Solution

1. Step 1: Write the proportion equation
   9,390 : 13,605 = 13,605 : x
2. Step 2: Convert to fraction form
   9,390/13,605 = 13,605/x
3. Step 3: Cross multiply
   9,390x = 13,605 × 13,605
4. Step 4: Simplify right side
   9,390x = 185,096,025
5. Step 5: Solve for x
   x = 185,096,025/9,390
6. Step 6: Final answer
   x = 19,712.04