Finding the Third Proportional to 809,783 and 1,874,685

Step by Step Solution

1. Step 1: Write the proportion equation
   809,783 : 1,874,685 = 1,874,685 : x
2. Step 2: Convert to fraction form
   809,783/1,874,685 = 1,874,685/x
3. Step 3: Cross multiply
   809,783x = 1,874,685 × 1,874,685
4. Step 4: Simplify right side
   809,783x = 3,514,443,849,225
5. Step 5: Solve for x
   x = 3,514,443,849,225/809,783
6. Step 6: Final answer
   x = 4,339,982.25