Finding the Third Proportional to 4,470 and 10,809

Step by Step Solution

1. Step 1: Write the proportion equation
   4,470 : 10,809 = 10,809 : x
2. Step 2: Convert to fraction form
   4,470/10,809 = 10,809/x
3. Step 3: Cross multiply
   4,470x = 10,809 × 10,809
4. Step 4: Simplify right side
   4,470x = 116,834,481
5. Step 5: Solve for x
   x = 116,834,481/4,470
6. Step 6: Final answer
   x = 26,137.47