Finding the Third Proportional to 682,392 and 1,489,008

Step by Step Solution

1. Step 1: Write the proportion equation
   682,392 : 1,489,008 = 1,489,008 : x
2. Step 2: Convert to fraction form
   682,392/1,489,008 = 1,489,008/x
3. Step 3: Cross multiply
   682,392x = 1,489,008 × 1,489,008
4. Step 4: Simplify right side
   682,392x = 2,217,144,824,064
5. Step 5: Solve for x
   x = 2,217,144,824,064/682,392
6. Step 6: Final answer
   x = 3,249,077.98