Finding the Third Proportional to 496,443.50 and 767,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   496,443.50 : 767,131.50 = 767,131.50 : x
2. Step 2: Convert to fraction form
   496,443.50/767,131.50 = 767,131.50/x
3. Step 3: Cross multiply
   496,443.50x = 767,131.50 × 767,131.50
4. Step 4: Simplify right side
   496,443.50x = 588,490,738,292.25
5. Step 5: Solve for x
   x = 588,490,738,292.25/496,443.50
6. Step 6: Final answer
   x = 1,185,413.32