Finding the Third Proportional to 282,185.50 and 602,643.50

Step by Step Solution

1. Step 1: Write the proportion equation
   282,185.50 : 602,643.50 = 602,643.50 : x
2. Step 2: Convert to fraction form
   282,185.50/602,643.50 = 602,643.50/x
3. Step 3: Cross multiply
   282,185.50x = 602,643.50 × 602,643.50
4. Step 4: Simplify right side
   282,185.50x = 363,179,188,092.25
5. Step 5: Solve for x
   x = 363,179,188,092.25/282,185.50
6. Step 6: Final answer
   x = 1,287,022.86