Finding the Third Proportional to 404,374.50 and 865,552.50

Step by Step Solution

1. Step 1: Write the proportion equation
   404,374.50 : 865,552.50 = 865,552.50 : x
2. Step 2: Convert to fraction form
   404,374.50/865,552.50 = 865,552.50/x
3. Step 3: Cross multiply
   404,374.50x = 865,552.50 × 865,552.50
4. Step 4: Simplify right side
   404,374.50x = 749,181,130,256.25
5. Step 5: Solve for x
   x = 749,181,130,256.25/404,374.50
6. Step 6: Final answer
   x = 1,852,691.33