Finding the Third Proportional to 1,287,396 and 2,741,112

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,396 : 2,741,112 = 2,741,112 : x
2. Step 2: Convert to fraction form
   1,287,396/2,741,112 = 2,741,112/x
3. Step 3: Cross multiply
   1,287,396x = 2,741,112 × 2,741,112
4. Step 4: Simplify right side
   1,287,396x = 7,513,694,996,544
5. Step 5: Solve for x
   x = 7,513,694,996,544/1,287,396
6. Step 6: Final answer
   x = 5,836,351.05