Finding the Third Proportional to 8,360 and 12,954

Step by Step Solution

1. Step 1: Write the proportion equation
   8,360 : 12,954 = 12,954 : x
2. Step 2: Convert to fraction form
   8,360/12,954 = 12,954/x
3. Step 3: Cross multiply
   8,360x = 12,954 × 12,954
4. Step 4: Simplify right side
   8,360x = 167,806,116
5. Step 5: Solve for x
   x = 167,806,116/8,360
6. Step 6: Final answer
   x = 20,072.50