Finding the Third Proportional to 244,498.50 and 389,022.75

Step by Step Solution

1. Step 1: Write the proportion equation
   244,498.50 : 389,022.75 = 389,022.75 : x
2. Step 2: Convert to fraction form
   244,498.50/389,022.75 = 389,022.75/x
3. Step 3: Cross multiply
   244,498.50x = 389,022.75 × 389,022.75
4. Step 4: Simplify right side
   244,498.50x = 151,338,700,017.56
5. Step 5: Solve for x
   x = 151,338,700,017.56/244,498.50
6. Step 6: Final answer
   x = 618,975.99