Finding the Third Proportional to 1,222,616 and 2,655,286

Step by Step Solution

1. Step 1: Write the proportion equation
   1,222,616 : 2,655,286 = 2,655,286 : x
2. Step 2: Convert to fraction form
   1,222,616/2,655,286 = 2,655,286/x
3. Step 3: Cross multiply
   1,222,616x = 2,655,286 × 2,655,286
4. Step 4: Simplify right side
   1,222,616x = 7,050,543,741,796
5. Step 5: Solve for x
   x = 7,050,543,741,796/1,222,616
6. Step 6: Final answer
   x = 5,766,768.75