Finding the Third Proportional to 631,936 and 1,026,678

Step by Step Solution

1. Step 1: Write the proportion equation
   631,936 : 1,026,678 = 1,026,678 : x
2. Step 2: Convert to fraction form
   631,936/1,026,678 = 1,026,678/x
3. Step 3: Cross multiply
   631,936x = 1,026,678 × 1,026,678
4. Step 4: Simplify right side
   631,936x = 1,054,067,715,684
5. Step 5: Solve for x
   x = 1,054,067,715,684/631,936
6. Step 6: Final answer
   x = 1,667,997.58