Finding the Third Proportional to 1,273,040 and 2,782,288

Step by Step Solution

1. Step 1: Write the proportion equation
   1,273,040 : 2,782,288 = 2,782,288 : x
2. Step 2: Convert to fraction form
   1,273,040/2,782,288 = 2,782,288/x
3. Step 3: Cross multiply
   1,273,040x = 2,782,288 × 2,782,288
4. Step 4: Simplify right side
   1,273,040x = 7,741,126,514,944
5. Step 5: Solve for x
   x = 7,741,126,514,944/1,273,040
6. Step 6: Final answer
   x = 6,080,819.55