Finding the Third Proportional to 404,373 and 865,549

Step by Step Solution

1. Step 1: Write the proportion equation
   404,373 : 865,549 = 865,549 : x
2. Step 2: Convert to fraction form
   404,373/865,549 = 865,549/x
3. Step 3: Cross multiply
   404,373x = 865,549 × 865,549
4. Step 4: Simplify right side
   404,373x = 749,175,071,401
5. Step 5: Solve for x
   x = 749,175,071,401/404,373
6. Step 6: Final answer
   x = 1,852,683.22