Finding the Third Proportional to 208,738 and 446,990

Step by Step Solution

1. Step 1: Write the proportion equation
   208,738 : 446,990 = 446,990 : x
2. Step 2: Convert to fraction form
   208,738/446,990 = 446,990/x
3. Step 3: Cross multiply
   208,738x = 446,990 × 446,990
4. Step 4: Simplify right side
   208,738x = 199,800,060,100
5. Step 5: Solve for x
   x = 199,800,060,100/208,738
6. Step 6: Final answer
   x = 957,181.06