Finding the Third Proportional to 1,100,820 and 1,550,211

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100,820 : 1,550,211 = 1,550,211 : x
2. Step 2: Convert to fraction form
   1,100,820/1,550,211 = 1,550,211/x
3. Step 3: Cross multiply
   1,100,820x = 1,550,211 × 1,550,211
4. Step 4: Simplify right side
   1,100,820x = 2,403,154,144,521
5. Step 5: Solve for x
   x = 2,403,154,144,521/1,100,820
6. Step 6: Final answer
   x = 2,183,058.22