Finding the Third Proportional to 1,313,078 and 2,856,222

Step by Step Solution

1. Step 1: Write the proportion equation
   1,313,078 : 2,856,222 = 2,856,222 : x
2. Step 2: Convert to fraction form
   1,313,078/2,856,222 = 2,856,222/x
3. Step 3: Cross multiply
   1,313,078x = 2,856,222 × 2,856,222
4. Step 4: Simplify right side
   1,313,078x = 8,158,004,113,284
5. Step 5: Solve for x
   x = 8,158,004,113,284/1,313,078
6. Step 6: Final answer
   x = 6,212,886.14