Finding the Third Proportional to 664,686 and 1,462,284

Step by Step Solution

1. Step 1: Write the proportion equation
   664,686 : 1,462,284 = 1,462,284 : x
2. Step 2: Convert to fraction form
   664,686/1,462,284 = 1,462,284/x
3. Step 3: Cross multiply
   664,686x = 1,462,284 × 1,462,284
4. Step 4: Simplify right side
   664,686x = 2,138,274,496,656
5. Step 5: Solve for x
   x = 2,138,274,496,656/664,686
6. Step 6: Final answer
   x = 3,216,969.36