Finding the Third Proportional to 328,429.50 and 494,994

Step by Step Solution

1. Step 1: Write the proportion equation
   328,429.50 : 494,994 = 494,994 : x
2. Step 2: Convert to fraction form
   328,429.50/494,994 = 494,994/x
3. Step 3: Cross multiply
   328,429.50x = 494,994 × 494,994
4. Step 4: Simplify right side
   328,429.50x = 245,019,060,036
5. Step 5: Solve for x
   x = 245,019,060,036/328,429.50
6. Step 6: Final answer
   x = 746,032.44