Finding the Third Proportional to 1,100,821 and 1,550,197

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100,821 : 1,550,197 = 1,550,197 : x
2. Step 2: Convert to fraction form
   1,100,821/1,550,197 = 1,550,197/x
3. Step 3: Cross multiply
   1,100,821x = 1,550,197 × 1,550,197
4. Step 4: Simplify right side
   1,100,821x = 2,403,110,738,809
5. Step 5: Solve for x
   x = 2,403,110,738,809/1,100,821
6. Step 6: Final answer
   x = 2,183,016.80