Finding the Third Proportional to 1,313,568 and 2,836,688

Step by Step Solution

1. Step 1: Write the proportion equation
   1,313,568 : 2,836,688 = 2,836,688 : x
2. Step 2: Convert to fraction form
   1,313,568/2,836,688 = 2,836,688/x
3. Step 3: Cross multiply
   1,313,568x = 2,836,688 × 2,836,688
4. Step 4: Simplify right side
   1,313,568x = 8,046,798,809,344
5. Step 5: Solve for x
   x = 8,046,798,809,344/1,313,568
6. Step 6: Final answer
   x = 6,125,909.59