Finding the Third Proportional to 1,339,368 and 2,809,512

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339,368 : 2,809,512 = 2,809,512 : x
2. Step 2: Convert to fraction form
   1,339,368/2,809,512 = 2,809,512/x
3. Step 3: Cross multiply
   1,339,368x = 2,809,512 × 2,809,512
4. Step 4: Simplify right side
   1,339,368x = 7,893,357,678,144
5. Step 5: Solve for x
   x = 7,893,357,678,144/1,339,368
6. Step 6: Final answer
   x = 5,893,344.98