Finding the Third Proportional to 109,869 and 235,290

Step by Step Solution

1. Step 1: Write the proportion equation
   109,869 : 235,290 = 235,290 : x
2. Step 2: Convert to fraction form
   109,869/235,290 = 235,290/x
3. Step 3: Cross multiply
   109,869x = 235,290 × 235,290
4. Step 4: Simplify right side
   109,869x = 55,361,384,100
5. Step 5: Solve for x
   x = 55,361,384,100/109,869
6. Step 6: Final answer
   x = 503,885.39