Finding the Third Proportional to 404,374 and 865,551

Step by Step Solution

1. Step 1: Write the proportion equation
   404,374 : 865,551 = 865,551 : x
2. Step 2: Convert to fraction form
   404,374/865,551 = 865,551/x
3. Step 3: Cross multiply
   404,374x = 865,551 × 865,551
4. Step 4: Simplify right side
   404,374x = 749,178,533,601
5. Step 5: Solve for x
   x = 749,178,533,601/404,374
6. Step 6: Final answer
   x = 1,852,687.20