Finding the Third Proportional to 200,740 and 300,444

Step by Step Solution

1. Step 1: Write the proportion equation
   200,740 : 300,444 = 300,444 : x
2. Step 2: Convert to fraction form
   200,740/300,444 = 300,444/x
3. Step 3: Cross multiply
   200,740x = 300,444 × 300,444
4. Step 4: Simplify right side
   200,740x = 90,266,597,136
5. Step 5: Solve for x
   x = 90,266,597,136/200,740
6. Step 6: Final answer
   x = 449,669.21