Finding the Third Proportional to 664,580 and 1,441,336

Step by Step Solution

1. Step 1: Write the proportion equation
   664,580 : 1,441,336 = 1,441,336 : x
2. Step 2: Convert to fraction form
   664,580/1,441,336 = 1,441,336/x
3. Step 3: Cross multiply
   664,580x = 1,441,336 × 1,441,336
4. Step 4: Simplify right side
   664,580x = 2,077,449,464,896
5. Step 5: Solve for x
   x = 2,077,449,464,896/664,580
6. Step 6: Final answer
   x = 3,125,958.45