Finding the Third Proportional to 363,501 and 770,728.50

Step by Step Solution

1. Step 1: Write the proportion equation
   363,501 : 770,728.50 = 770,728.50 : x
2. Step 2: Convert to fraction form
   363,501/770,728.50 = 770,728.50/x
3. Step 3: Cross multiply
   363,501x = 770,728.50 × 770,728.50
4. Step 4: Simplify right side
   363,501x = 594,022,420,712.25
5. Step 5: Solve for x
   x = 594,022,420,712.25/363,501
6. Step 6: Final answer
   x = 1,634,169.98