Finding the Third Proportional to 404,369.30 and 865,540.69

Step by Step Solution

1. Step 1: Write the proportion equation
   404,369.30 : 865,540.69 = 865,540.69 : x
2. Step 2: Convert to fraction form
   404,369.30/865,540.69 = 865,540.69/x
3. Step 3: Cross multiply
   404,369.30x = 865,540.69 × 865,540.69
4. Step 4: Simplify right side
   404,369.30x = 749,160,681,717.97
5. Step 5: Solve for x
   x = 749,160,681,717.97/404,369.30
6. Step 6: Final answer
   x = 1,852,664.60