Finding the Third Proportional to 1,399,049 and 3,012,145

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,049 : 3,012,145 = 3,012,145 : x
2. Step 2: Convert to fraction form
   1,399,049/3,012,145 = 3,012,145/x
3. Step 3: Cross multiply
   1,399,049x = 3,012,145 × 3,012,145
4. Step 4: Simplify right side
   1,399,049x = 9,073,017,501,025
5. Step 5: Solve for x
   x = 9,073,017,501,025/1,399,049
6. Step 6: Final answer
   x = 6,485,132.04