Finding the Third Proportional to 404,759 and 584,755

Step by Step Solution

1. Step 1: Write the proportion equation
   404,759 : 584,755 = 584,755 : x
2. Step 2: Convert to fraction form
   404,759/584,755 = 584,755/x
3. Step 3: Cross multiply
   404,759x = 584,755 × 584,755
4. Step 4: Simplify right side
   404,759x = 341,938,410,025
5. Step 5: Solve for x
   x = 341,938,410,025/404,759
6. Step 6: Final answer
   x = 844,795.08