Finding the Third Proportional to 1,270,142 and 2,739,706

Step by Step Solution

1. Step 1: Write the proportion equation
   1,270,142 : 2,739,706 = 2,739,706 : x
2. Step 2: Convert to fraction form
   1,270,142/2,739,706 = 2,739,706/x
3. Step 3: Cross multiply
   1,270,142x = 2,739,706 × 2,739,706
4. Step 4: Simplify right side
   1,270,142x = 7,505,988,966,436
5. Step 5: Solve for x
   x = 7,505,988,966,436/1,270,142
6. Step 6: Final answer
   x = 5,909,566.78