Finding the Third Proportional to 404,230.50 and 857,749.50

Step by Step Solution

1. Step 1: Write the proportion equation
   404,230.50 : 857,749.50 = 857,749.50 : x
2. Step 2: Convert to fraction form
   404,230.50/857,749.50 = 857,749.50/x
3. Step 3: Cross multiply
   404,230.50x = 857,749.50 × 857,749.50
4. Step 4: Simplify right side
   404,230.50x = 735,734,204,750.25
5. Step 5: Solve for x
   x = 735,734,204,750.25/404,230.50
6. Step 6: Final answer
   x = 1,820,085.83