Finding the Third Proportional to 901,144 and 1,259,856

Step by Step Solution

1. Step 1: Write the proportion equation
   901,144 : 1,259,856 = 1,259,856 : x
2. Step 2: Convert to fraction form
   901,144/1,259,856 = 1,259,856/x
3. Step 3: Cross multiply
   901,144x = 1,259,856 × 1,259,856
4. Step 4: Simplify right side
   901,144x = 1,587,237,140,736
5. Step 5: Solve for x
   x = 1,587,237,140,736/901,144
6. Step 6: Final answer
   x = 1,761,357.94