Finding the Third Proportional to 282,019.50 and 436,891.50

Step by Step Solution

1. Step 1: Write the proportion equation
   282,019.50 : 436,891.50 = 436,891.50 : x
2. Step 2: Convert to fraction form
   282,019.50/436,891.50 = 436,891.50/x
3. Step 3: Cross multiply
   282,019.50x = 436,891.50 × 436,891.50
4. Step 4: Simplify right side
   282,019.50x = 190,874,182,772.25
5. Step 5: Solve for x
   x = 190,874,182,772.25/282,019.50
6. Step 6: Final answer
   x = 676,812.00