Finding the Third Proportional to 665,120 and 1,436,736

Step by Step Solution

1. Step 1: Write the proportion equation
   665,120 : 1,436,736 = 1,436,736 : x
2. Step 2: Convert to fraction form
   665,120/1,436,736 = 1,436,736/x
3. Step 3: Cross multiply
   665,120x = 1,436,736 × 1,436,736
4. Step 4: Simplify right side
   665,120x = 2,064,210,333,696
5. Step 5: Solve for x
   x = 2,064,210,333,696/665,120
6. Step 6: Final answer
   x = 3,103,515.66