Finding the Third Proportional to 404,595 and 872,293.50

Step by Step Solution

1. Step 1: Write the proportion equation
   404,595 : 872,293.50 = 872,293.50 : x
2. Step 2: Convert to fraction form
   404,595/872,293.50 = 872,293.50/x
3. Step 3: Cross multiply
   404,595x = 872,293.50 × 872,293.50
4. Step 4: Simplify right side
   404,595x = 760,895,950,142.25
5. Step 5: Solve for x
   x = 760,895,950,142.25/404,595
6. Step 6: Final answer
   x = 1,880,636.07