Finding the Third Proportional to 1,270,968 and 2,646,480

Step by Step Solution

1. Step 1: Write the proportion equation
   1,270,968 : 2,646,480 = 2,646,480 : x
2. Step 2: Convert to fraction form
   1,270,968/2,646,480 = 2,646,480/x
3. Step 3: Cross multiply
   1,270,968x = 2,646,480 × 2,646,480
4. Step 4: Simplify right side
   1,270,968x = 7,003,856,390,400
5. Step 5: Solve for x
   x = 7,003,856,390,400/1,270,968
6. Step 6: Final answer
   x = 5,510,647.31