Finding the Third Proportional to 404,482 and 865,776

Step by Step Solution

1. Step 1: Write the proportion equation
   404,482 : 865,776 = 865,776 : x
2. Step 2: Convert to fraction form
   404,482/865,776 = 865,776/x
3. Step 3: Cross multiply
   404,482x = 865,776 × 865,776
4. Step 4: Simplify right side
   404,482x = 749,568,082,176
5. Step 5: Solve for x
   x = 749,568,082,176/404,482
6. Step 6: Final answer
   x = 1,853,155.60