Finding the Third Proportional to 20,259 and 30,669

Step by Step Solution

1. Step 1: Write the proportion equation
   20,259 : 30,669 = 30,669 : x
2. Step 2: Convert to fraction form
   20,259/30,669 = 30,669/x
3. Step 3: Cross multiply
   20,259x = 30,669 × 30,669
4. Step 4: Simplify right side
   20,259x = 940,587,561
5. Step 5: Solve for x
   x = 940,587,561/20,259
6. Step 6: Final answer
   x = 46,428.13