Finding the Third Proportional to 404,708.91 and 584,688.38

Step by Step Solution

1. Step 1: Write the proportion equation
   404,708.91 : 584,688.38 = 584,688.38 : x
2. Step 2: Convert to fraction form
   404,708.91/584,688.38 = 584,688.38/x
3. Step 3: Cross multiply
   404,708.91x = 584,688.38 × 584,688.38
4. Step 4: Simplify right side
   404,708.91x = 341,860,495,860.14
5. Step 5: Solve for x
   x = 341,860,495,860.14/404,708.91
6. Step 6: Final answer
   x = 844,707.12