Finding the Third Proportional to 664,660 and 1,441,492

Step by Step Solution

1. Step 1: Write the proportion equation
   664,660 : 1,441,492 = 1,441,492 : x
2. Step 2: Convert to fraction form
   664,660/1,441,492 = 1,441,492/x
3. Step 3: Cross multiply
   664,660x = 1,441,492 × 1,441,492
4. Step 4: Simplify right side
   664,660x = 2,077,899,186,064
5. Step 5: Solve for x
   x = 2,077,899,186,064/664,660
6. Step 6: Final answer
   x = 3,126,258.82