Finding the Third Proportional to 1,338,713 and 2,039,448

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338,713 : 2,039,448 = 2,039,448 : x
2. Step 2: Convert to fraction form
   1,338,713/2,039,448 = 2,039,448/x
3. Step 3: Cross multiply
   1,338,713x = 2,039,448 × 2,039,448
4. Step 4: Simplify right side
   1,338,713x = 4,159,348,144,704
5. Step 5: Solve for x
   x = 4,159,348,144,704/1,338,713
6. Step 6: Final answer
   x = 3,106,975.24