Finding the Third Proportional to 631,944 and 1,403,856

Step by Step Solution

1. Step 1: Write the proportion equation
   631,944 : 1,403,856 = 1,403,856 : x
2. Step 2: Convert to fraction form
   631,944/1,403,856 = 1,403,856/x
3. Step 3: Cross multiply
   631,944x = 1,403,856 × 1,403,856
4. Step 4: Simplify right side
   631,944x = 1,970,811,668,736
5. Step 5: Solve for x
   x = 1,970,811,668,736/631,944
6. Step 6: Final answer
   x = 3,118,649.23