Finding the Third Proportional to 404,959.50 and 886,190.63

Step by Step Solution

1. Step 1: Write the proportion equation
   404,959.50 : 886,190.63 = 886,190.63 : x
2. Step 2: Convert to fraction form
   404,959.50/886,190.63 = 886,190.63/x
3. Step 3: Cross multiply
   404,959.50x = 886,190.63 × 886,190.63
4. Step 4: Simplify right side
   404,959.50x = 785,333,823,837.89
5. Step 5: Solve for x
   x = 785,333,823,837.89/404,959.50
6. Step 6: Final answer
   x = 1,939,289.79