Finding the Third Proportional to 404,738 and 584,730

Step by Step Solution

1. Step 1: Write the proportion equation
   404,738 : 584,730 = 584,730 : x
2. Step 2: Convert to fraction form
   404,738/584,730 = 584,730/x
3. Step 3: Cross multiply
   404,738x = 584,730 × 584,730
4. Step 4: Simplify right side
   404,738x = 341,909,172,900
5. Step 5: Solve for x
   x = 341,909,172,900/404,738
6. Step 6: Final answer
   x = 844,766.67