Finding the Third Proportional to 1,180,836 and 1,879,857

Step by Step Solution

1. Step 1: Write the proportion equation
   1,180,836 : 1,879,857 = 1,879,857 : x
2. Step 2: Convert to fraction form
   1,180,836/1,879,857 = 1,879,857/x
3. Step 3: Cross multiply
   1,180,836x = 1,879,857 × 1,879,857
4. Step 4: Simplify right side
   1,180,836x = 3,533,862,340,449
5. Step 5: Solve for x
   x = 3,533,862,340,449/1,180,836
6. Step 6: Final answer
   x = 2,992,678.36