Finding the Third Proportional to 665,660 and 1,455,736

Step by Step Solution

1. Step 1: Write the proportion equation
   665,660 : 1,455,736 = 1,455,736 : x
2. Step 2: Convert to fraction form
   665,660/1,455,736 = 1,455,736/x
3. Step 3: Cross multiply
   665,660x = 1,455,736 × 1,455,736
4. Step 4: Simplify right side
   665,660x = 2,119,167,301,696
5. Step 5: Solve for x
   x = 2,119,167,301,696/665,660
6. Step 6: Final answer
   x = 3,183,558.13