Finding the Third Proportional to 282,012 and 436,879.50

Step by Step Solution

1. Step 1: Write the proportion equation
   282,012 : 436,879.50 = 436,879.50 : x
2. Step 2: Convert to fraction form
   282,012/436,879.50 = 436,879.50/x
3. Step 3: Cross multiply
   282,012x = 436,879.50 × 436,879.50
4. Step 4: Simplify right side
   282,012x = 190,863,697,520.25
5. Step 5: Solve for x
   x = 190,863,697,520.25/282,012
6. Step 6: Final answer
   x = 676,792.82