Finding the Third Proportional to 1,270,146 and 2,739,720

Step by Step Solution

1. Step 1: Write the proportion equation
   1,270,146 : 2,739,720 = 2,739,720 : x
2. Step 2: Convert to fraction form
   1,270,146/2,739,720 = 2,739,720/x
3. Step 3: Cross multiply
   1,270,146x = 2,739,720 × 2,739,720
4. Step 4: Simplify right side
   1,270,146x = 7,506,065,678,400
5. Step 5: Solve for x
   x = 7,506,065,678,400/1,270,146
6. Step 6: Final answer
   x = 5,909,608.56