Finding the Third Proportional to 1,270,692 and 2,790,216

Step by Step Solution

1. Step 1: Write the proportion equation
   1,270,692 : 2,790,216 = 2,790,216 : x
2. Step 2: Convert to fraction form
   1,270,692/2,790,216 = 2,790,216/x
3. Step 3: Cross multiply
   1,270,692x = 2,790,216 × 2,790,216
4. Step 4: Simplify right side
   1,270,692x = 7,785,305,326,656
5. Step 5: Solve for x
   x = 7,785,305,326,656/1,270,692
6. Step 6: Final answer
   x = 6,126,823.28