Finding the Third Proportional to 1,316,678 and 2,819,976

Step by Step Solution

1. Step 1: Write the proportion equation
   1,316,678 : 2,819,976 = 2,819,976 : x
2. Step 2: Convert to fraction form
   1,316,678/2,819,976 = 2,819,976/x
3. Step 3: Cross multiply
   1,316,678x = 2,819,976 × 2,819,976
4. Step 4: Simplify right side
   1,316,678x = 7,952,264,640,576
5. Step 5: Solve for x
   x = 7,952,264,640,576/1,316,678
6. Step 6: Final answer
   x = 6,039,642.68