Finding the Third Proportional to 1,270,016 and 1,810,431

Step by Step Solution

1. Step 1: Write the proportion equation
   1,270,016 : 1,810,431 = 1,810,431 : x
2. Step 2: Convert to fraction form
   1,270,016/1,810,431 = 1,810,431/x
3. Step 3: Cross multiply
   1,270,016x = 1,810,431 × 1,810,431
4. Step 4: Simplify right side
   1,270,016x = 3,277,660,405,761
5. Step 5: Solve for x
   x = 3,277,660,405,761/1,270,016
6. Step 6: Final answer
   x = 2,580,802.45