Finding the Third Proportional to 517,212 and 1,138,104

Step by Step Solution

1. Step 1: Write the proportion equation
   517,212 : 1,138,104 = 1,138,104 : x
2. Step 2: Convert to fraction form
   517,212/1,138,104 = 1,138,104/x
3. Step 3: Cross multiply
   517,212x = 1,138,104 × 1,138,104
4. Step 4: Simplify right side
   517,212x = 1,295,280,714,816
5. Step 5: Solve for x
   x = 1,295,280,714,816/517,212
6. Step 6: Final answer
   x = 2,504,351.63