Finding the Third Proportional to 609,640 and 1,339,952

Step by Step Solution

1. Step 1: Write the proportion equation
   609,640 : 1,339,952 = 1,339,952 : x
2. Step 2: Convert to fraction form
   609,640/1,339,952 = 1,339,952/x
3. Step 3: Cross multiply
   609,640x = 1,339,952 × 1,339,952
4. Step 4: Simplify right side
   609,640x = 1,795,471,362,304
5. Step 5: Solve for x
   x = 1,795,471,362,304/609,640
6. Step 6: Final answer
   x = 2,945,133.79