Finding the Third Proportional to 9,172 and 12,324

Step by Step Solution

1. Step 1: Write the proportion equation
   9,172 : 12,324 = 12,324 : x
2. Step 2: Convert to fraction form
   9,172/12,324 = 12,324/x
3. Step 3: Cross multiply
   9,172x = 12,324 × 12,324
4. Step 4: Simplify right side
   9,172x = 151,880,976
5. Step 5: Solve for x
   x = 151,880,976/9,172
6. Step 6: Final answer
   x = 16,559.20