Finding the Third Proportional to 1,339,320 and 3,161,055

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339,320 : 3,161,055 = 3,161,055 : x
2. Step 2: Convert to fraction form
   1,339,320/3,161,055 = 3,161,055/x
3. Step 3: Cross multiply
   1,339,320x = 3,161,055 × 3,161,055
4. Step 4: Simplify right side
   1,339,320x = 9,992,268,713,025
5. Step 5: Solve for x
   x = 9,992,268,713,025/1,339,320
6. Step 6: Final answer
   x = 7,460,702.98