Finding the Third Proportional to 1,100,821 and 1,550,199

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100,821 : 1,550,199 = 1,550,199 : x
2. Step 2: Convert to fraction form
   1,100,821/1,550,199 = 1,550,199/x
3. Step 3: Cross multiply
   1,100,821x = 1,550,199 × 1,550,199
4. Step 4: Simplify right side
   1,100,821x = 2,403,116,939,601
5. Step 5: Solve for x
   x = 2,403,116,939,601/1,100,821
6. Step 6: Final answer
   x = 2,183,022.43