Finding the Third Proportional to 664,634 and 1,441,444

Step by Step Solution

1. Step 1: Write the proportion equation
   664,634 : 1,441,444 = 1,441,444 : x
2. Step 2: Convert to fraction form
   664,634/1,441,444 = 1,441,444/x
3. Step 3: Cross multiply
   664,634x = 1,441,444 × 1,441,444
4. Step 4: Simplify right side
   664,634x = 2,077,760,805,136
5. Step 5: Solve for x
   x = 2,077,760,805,136/664,634
6. Step 6: Final answer
   x = 3,126,172.91