Finding the Third Proportional to 1,399,149 and 3,012,352

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,149 : 3,012,352 = 3,012,352 : x
2. Step 2: Convert to fraction form
   1,399,149/3,012,352 = 3,012,352/x
3. Step 3: Cross multiply
   1,399,149x = 3,012,352 × 3,012,352
4. Step 4: Simplify right side
   1,399,149x = 9,074,264,571,904
5. Step 5: Solve for x
   x = 9,074,264,571,904/1,399,149
6. Step 6: Final answer
   x = 6,485,559.85