Finding the Third Proportional to 1,267,016 and 2,638,504

Step by Step Solution

1. Step 1: Write the proportion equation
   1,267,016 : 2,638,504 = 2,638,504 : x
2. Step 2: Convert to fraction form
   1,267,016/2,638,504 = 2,638,504/x
3. Step 3: Cross multiply
   1,267,016x = 2,638,504 × 2,638,504
4. Step 4: Simplify right side
   1,267,016x = 6,961,703,358,016
5. Step 5: Solve for x
   x = 6,961,703,358,016/1,267,016
6. Step 6: Final answer
   x = 5,494,566.25