Finding the Third Proportional to 109,939 and 240,919

Step by Step Solution

1. Step 1: Write the proportion equation
   109,939 : 240,919 = 240,919 : x
2. Step 2: Convert to fraction form
   109,939/240,919 = 240,919/x
3. Step 3: Cross multiply
   109,939x = 240,919 × 240,919
4. Step 4: Simplify right side
   109,939x = 58,041,964,561
5. Step 5: Solve for x
   x = 58,041,964,561/109,939
6. Step 6: Final answer
   x = 527,946.99