Finding the Third Proportional to 250,290 and 518,324.06

Step by Step Solution

1. Step 1: Write the proportion equation
   250,290 : 518,324.06 = 518,324.06 : x
2. Step 2: Convert to fraction form
   250,290/518,324.06 = 518,324.06/x
3. Step 3: Cross multiply
   250,290x = 518,324.06 × 518,324.06
4. Step 4: Simplify right side
   250,290x = 268,659,833,766.50
5. Step 5: Solve for x
   x = 268,659,833,766.50/250,290
6. Step 6: Final answer
   x = 1,073,394.20