Finding the Third Proportional to 240,870 and 496,318.50

Step by Step Solution

1. Step 1: Write the proportion equation
   240,870 : 496,318.50 = 496,318.50 : x
2. Step 2: Convert to fraction form
   240,870/496,318.50 = 496,318.50/x
3. Step 3: Cross multiply
   240,870x = 496,318.50 × 496,318.50
4. Step 4: Simplify right side
   240,870x = 246,332,053,442.25
5. Step 5: Solve for x
   x = 246,332,053,442.25/240,870
6. Step 6: Final answer
   x = 1,022,676.35