Finding the Third Proportional to 1,438,940 and 3,077,266

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438,940 : 3,077,266 = 3,077,266 : x
2. Step 2: Convert to fraction form
   1,438,940/3,077,266 = 3,077,266/x
3. Step 3: Cross multiply
   1,438,940x = 3,077,266 × 3,077,266
4. Step 4: Simplify right side
   1,438,940x = 9,469,566,034,756
5. Step 5: Solve for x
   x = 9,469,566,034,756/1,438,940
6. Step 6: Final answer
   x = 6,580,931.82