Finding the Third Proportional to 664,644 and 1,441,464

Step by Step Solution

1. Step 1: Write the proportion equation
   664,644 : 1,441,464 = 1,441,464 : x
2. Step 2: Convert to fraction form
   664,644/1,441,464 = 1,441,464/x
3. Step 3: Cross multiply
   664,644x = 1,441,464 × 1,441,464
4. Step 4: Simplify right side
   664,644x = 2,077,818,463,296
5. Step 5: Solve for x
   x = 2,077,818,463,296/664,644
6. Step 6: Final answer
   x = 3,126,212.62