Finding the Third Proportional to 404,842 and 865,730

Step by Step Solution

1. Step 1: Write the proportion equation
   404,842 : 865,730 = 865,730 : x
2. Step 2: Convert to fraction form
   404,842/865,730 = 865,730/x
3. Step 3: Cross multiply
   404,842x = 865,730 × 865,730
4. Step 4: Simplify right side
   404,842x = 749,488,432,900
5. Step 5: Solve for x
   x = 749,488,432,900/404,842
6. Step 6: Final answer
   x = 1,851,310.96