Finding the Third Proportional to 1,108,154 and 2,391,268

Step by Step Solution

1. Step 1: Write the proportion equation
   1,108,154 : 2,391,268 = 2,391,268 : x
2. Step 2: Convert to fraction form
   1,108,154/2,391,268 = 2,391,268/x
3. Step 3: Cross multiply
   1,108,154x = 2,391,268 × 2,391,268
4. Step 4: Simplify right side
   1,108,154x = 5,718,162,647,824
5. Step 5: Solve for x
   x = 5,718,162,647,824/1,108,154
6. Step 6: Final answer
   x = 5,160,079.42