Finding the Third Proportional to 1,100,817 and 2,231,211

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100,817 : 2,231,211 = 2,231,211 : x
2. Step 2: Convert to fraction form
   1,100,817/2,231,211 = 2,231,211/x
3. Step 3: Cross multiply
   1,100,817x = 2,231,211 × 2,231,211
4. Step 4: Simplify right side
   1,100,817x = 4,978,302,526,521
5. Step 5: Solve for x
   x = 4,978,302,526,521/1,100,817
6. Step 6: Final answer
   x = 4,522,370.68