Finding the Third Proportional to 664,646 and 1,441,468

Step by Step Solution

1. Step 1: Write the proportion equation
   664,646 : 1,441,468 = 1,441,468 : x
2. Step 2: Convert to fraction form
   664,646/1,441,468 = 1,441,468/x
3. Step 3: Cross multiply
   664,646x = 1,441,468 × 1,441,468
4. Step 4: Simplify right side
   664,646x = 2,077,829,995,024
5. Step 5: Solve for x
   x = 2,077,829,995,024/664,646
6. Step 6: Final answer
   x = 3,126,220.57