Finding the Third Proportional to 9,040 and 12,944

Step by Step Solution

1. Step 1: Write the proportion equation
   9,040 : 12,944 = 12,944 : x
2. Step 2: Convert to fraction form
   9,040/12,944 = 12,944/x
3. Step 3: Cross multiply
   9,040x = 12,944 × 12,944
4. Step 4: Simplify right side
   9,040x = 167,547,136
5. Step 5: Solve for x
   x = 167,547,136/9,040
6. Step 6: Final answer
   x = 18,533.98