Finding the Third Proportional to 1,338,585 and 2,039,244

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338,585 : 2,039,244 = 2,039,244 : x
2. Step 2: Convert to fraction form
   1,338,585/2,039,244 = 2,039,244/x
3. Step 3: Cross multiply
   1,338,585x = 2,039,244 × 2,039,244
4. Step 4: Simplify right side
   1,338,585x = 4,158,516,091,536
5. Step 5: Solve for x
   x = 4,158,516,091,536/1,338,585
6. Step 6: Final answer
   x = 3,106,650.75