Finding the Third Proportional to 330,870 and 494,983.50

Step by Step Solution

1. Step 1: Write the proportion equation
   330,870 : 494,983.50 = 494,983.50 : x
2. Step 2: Convert to fraction form
   330,870/494,983.50 = 494,983.50/x
3. Step 3: Cross multiply
   330,870x = 494,983.50 × 494,983.50
4. Step 4: Simplify right side
   330,870x = 245,008,665,272.25
5. Step 5: Solve for x
   x = 245,008,665,272.25/330,870
6. Step 6: Final answer
   x = 740,498.28