Finding the Third Proportional to 677,586 and 1,338,162

Step by Step Solution

1. Step 1: Write the proportion equation
   677,586 : 1,338,162 = 1,338,162 : x
2. Step 2: Convert to fraction form
   677,586/1,338,162 = 1,338,162/x
3. Step 3: Cross multiply
   677,586x = 1,338,162 × 1,338,162
4. Step 4: Simplify right side
   677,586x = 1,790,677,538,244
5. Step 5: Solve for x
   x = 1,790,677,538,244/677,586
6. Step 6: Final answer
   x = 2,642,731.02