Finding the Third Proportional to 1,338,615 and 2,010,864

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338,615 : 2,010,864 = 2,010,864 : x
2. Step 2: Convert to fraction form
   1,338,615/2,010,864 = 2,010,864/x
3. Step 3: Cross multiply
   1,338,615x = 2,010,864 × 2,010,864
4. Step 4: Simplify right side
   1,338,615x = 4,043,574,026,496
5. Step 5: Solve for x
   x = 4,043,574,026,496/1,338,615
6. Step 6: Final answer
   x = 3,020,714.71