Finding the Third Proportional to 1,183,642 and 2,556,454

Step by Step Solution

1. Step 1: Write the proportion equation
   1,183,642 : 2,556,454 = 2,556,454 : x
2. Step 2: Convert to fraction form
   1,183,642/2,556,454 = 2,556,454/x
3. Step 3: Cross multiply
   1,183,642x = 2,556,454 × 2,556,454
4. Step 4: Simplify right side
   1,183,642x = 6,535,457,054,116
5. Step 5: Solve for x
   x = 6,535,457,054,116/1,183,642
6. Step 6: Final answer
   x = 5,521,481.20