Finding the Third Proportional to 665,648 and 1,436,264

Step by Step Solution

1. Step 1: Write the proportion equation
   665,648 : 1,436,264 = 1,436,264 : x
2. Step 2: Convert to fraction form
   665,648/1,436,264 = 1,436,264/x
3. Step 3: Cross multiply
   665,648x = 1,436,264 × 1,436,264
4. Step 4: Simplify right side
   665,648x = 2,062,854,277,696
5. Step 5: Solve for x
   x = 2,062,854,277,696/665,648
6. Step 6: Final answer
   x = 3,099,016.71