Finding the Third Proportional to 665,128 and 1,436,752

Step by Step Solution

1. Step 1: Write the proportion equation
   665,128 : 1,436,752 = 1,436,752 : x
2. Step 2: Convert to fraction form
   665,128/1,436,752 = 1,436,752/x
3. Step 3: Cross multiply
   665,128x = 1,436,752 × 1,436,752
4. Step 4: Simplify right side
   665,128x = 2,064,256,309,504
5. Step 5: Solve for x
   x = 2,064,256,309,504/665,128
6. Step 6: Final answer
   x = 3,103,547.45