Finding the Third Proportional to 1,100,815 and 1,550,189

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100,815 : 1,550,189 = 1,550,189 : x
2. Step 2: Convert to fraction form
   1,100,815/1,550,189 = 1,550,189/x
3. Step 3: Cross multiply
   1,100,815x = 1,550,189 × 1,550,189
4. Step 4: Simplify right side
   1,100,815x = 2,403,085,935,721
5. Step 5: Solve for x
   x = 2,403,085,935,721/1,100,815
6. Step 6: Final answer
   x = 2,183,006.17