Finding the Third Proportional to 1,282,840 and 2,769,072

Step by Step Solution

1. Step 1: Write the proportion equation
   1,282,840 : 2,769,072 = 2,769,072 : x
2. Step 2: Convert to fraction form
   1,282,840/2,769,072 = 2,769,072/x
3. Step 3: Cross multiply
   1,282,840x = 2,769,072 × 2,769,072
4. Step 4: Simplify right side
   1,282,840x = 7,667,759,741,184
5. Step 5: Solve for x
   x = 7,667,759,741,184/1,282,840
6. Step 6: Final answer
   x = 5,977,175.44