Finding the Third Proportional to 1,002,839 and 2,145,646

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,839 : 2,145,646 = 2,145,646 : x
2. Step 2: Convert to fraction form
   1,002,839/2,145,646 = 2,145,646/x
3. Step 3: Cross multiply
   1,002,839x = 2,145,646 × 2,145,646
4. Step 4: Simplify right side
   1,002,839x = 4,603,796,757,316
5. Step 5: Solve for x
   x = 4,603,796,757,316/1,002,839
6. Step 6: Final answer
   x = 4,590,763.58