Finding the Third Proportional to 1,100,817 and 1,550,191

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100,817 : 1,550,191 = 1,550,191 : x
2. Step 2: Convert to fraction form
   1,100,817/1,550,191 = 1,550,191/x
3. Step 3: Cross multiply
   1,100,817x = 1,550,191 × 1,550,191
4. Step 4: Simplify right side
   1,100,817x = 2,403,092,136,481
5. Step 5: Solve for x
   x = 2,403,092,136,481/1,100,817
6. Step 6: Final answer
   x = 2,183,007.84