Finding the Third Proportional to 664,648 and 1,441,472

Step by Step Solution

1. Step 1: Write the proportion equation
   664,648 : 1,441,472 = 1,441,472 : x
2. Step 2: Convert to fraction form
   664,648/1,441,472 = 1,441,472/x
3. Step 3: Cross multiply
   664,648x = 1,441,472 × 1,441,472
4. Step 4: Simplify right side
   664,648x = 2,077,841,526,784
5. Step 5: Solve for x
   x = 2,077,841,526,784/664,648
6. Step 6: Final answer
   x = 3,126,228.51