Finding the Third Proportional to 295,317 and 446,499

Step by Step Solution

1. Step 1: Write the proportion equation
   295,317 : 446,499 = 446,499 : x
2. Step 2: Convert to fraction form
   295,317/446,499 = 446,499/x
3. Step 3: Cross multiply
   295,317x = 446,499 × 446,499
4. Step 4: Simplify right side
   295,317x = 199,361,357,001
5. Step 5: Solve for x
   x = 199,361,357,001/295,317
6. Step 6: Final answer
   x = 675,075.79