Finding the Third Proportional to 109,222 and 173,669

Step by Step Solution

1. Step 1: Write the proportion equation
   109,222 : 173,669 = 173,669 : x
2. Step 2: Convert to fraction form
   109,222/173,669 = 173,669/x
3. Step 3: Cross multiply
   109,222x = 173,669 × 173,669
4. Step 4: Simplify right side
   109,222x = 30,160,921,561
5. Step 5: Solve for x
   x = 30,160,921,561/109,222
6. Step 6: Final answer
   x = 276,143.28