Finding the Third Proportional to 244,479 and 389,014.50

Step by Step Solution

1. Step 1: Write the proportion equation
   244,479 : 389,014.50 = 389,014.50 : x
2. Step 2: Convert to fraction form
   244,479/389,014.50 = 389,014.50/x
3. Step 3: Cross multiply
   244,479x = 389,014.50 × 389,014.50
4. Step 4: Simplify right side
   244,479x = 151,332,281,210.25
5. Step 5: Solve for x
   x = 151,332,281,210.25/244,479
6. Step 6: Final answer
   x = 618,999.10