Finding the Third Proportional to 1,183,912 and 2,557,272

Step by Step Solution

1. Step 1: Write the proportion equation
   1,183,912 : 2,557,272 = 2,557,272 : x
2. Step 2: Convert to fraction form
   1,183,912/2,557,272 = 2,557,272/x
3. Step 3: Cross multiply
   1,183,912x = 2,557,272 × 2,557,272
4. Step 4: Simplify right side
   1,183,912x = 6,539,640,081,984
5. Step 5: Solve for x
   x = 6,539,640,081,984/1,183,912
6. Step 6: Final answer
   x = 5,523,755.21