Finding the Third Proportional to 664,576 and 1,441,328

Step by Step Solution

1. Step 1: Write the proportion equation
   664,576 : 1,441,328 = 1,441,328 : x
2. Step 2: Convert to fraction form
   664,576/1,441,328 = 1,441,328/x
3. Step 3: Cross multiply
   664,576x = 1,441,328 × 1,441,328
4. Step 4: Simplify right side
   664,576x = 2,077,426,403,584
5. Step 5: Solve for x
   x = 2,077,426,403,584/664,576
6. Step 6: Final answer
   x = 3,125,942.56