Finding the Third Proportional to 1,338,471 and 2,039,072

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338,471 : 2,039,072 = 2,039,072 : x
2. Step 2: Convert to fraction form
   1,338,471/2,039,072 = 2,039,072/x
3. Step 3: Cross multiply
   1,338,471x = 2,039,072 × 2,039,072
4. Step 4: Simplify right side
   1,338,471x = 4,157,814,621,184
5. Step 5: Solve for x
   x = 4,157,814,621,184/1,338,471
6. Step 6: Final answer
   x = 3,106,391.26