Finding the Third Proportional to 1,155,256 and 2,576,142

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155,256 : 2,576,142 = 2,576,142 : x
2. Step 2: Convert to fraction form
   1,155,256/2,576,142 = 2,576,142/x
3. Step 3: Cross multiply
   1,155,256x = 2,576,142 × 2,576,142
4. Step 4: Simplify right side
   1,155,256x = 6,636,507,604,164
5. Step 5: Solve for x
   x = 6,636,507,604,164/1,155,256
6. Step 6: Final answer
   x = 5,744,620.76