Finding the Third Proportional to 1,338,582 and 2,039,242

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338,582 : 2,039,242 = 2,039,242 : x
2. Step 2: Convert to fraction form
   1,338,582/2,039,242 = 2,039,242/x
3. Step 3: Cross multiply
   1,338,582x = 2,039,242 × 2,039,242
4. Step 4: Simplify right side
   1,338,582x = 4,158,507,934,564
5. Step 5: Solve for x
   x = 4,158,507,934,564/1,338,582
6. Step 6: Final answer
   x = 3,106,651.62