Finding the Third Proportional to 1,270,704 and 2,790,240

Step by Step Solution

1. Step 1: Write the proportion equation
   1,270,704 : 2,790,240 = 2,790,240 : x
2. Step 2: Convert to fraction form
   1,270,704/2,790,240 = 2,790,240/x
3. Step 3: Cross multiply
   1,270,704x = 2,790,240 × 2,790,240
4. Step 4: Simplify right side
   1,270,704x = 7,785,439,257,600
5. Step 5: Solve for x
   x = 7,785,439,257,600/1,270,704
6. Step 6: Final answer
   x = 6,126,870.82