Finding the Third Proportional to 1,290,823 and 2,805,529

Step by Step Solution

1. Step 1: Write the proportion equation
   1,290,823 : 2,805,529 = 2,805,529 : x
2. Step 2: Convert to fraction form
   1,290,823/2,805,529 = 2,805,529/x
3. Step 3: Cross multiply
   1,290,823x = 2,805,529 × 2,805,529
4. Step 4: Simplify right side
   1,290,823x = 7,870,992,969,841
5. Step 5: Solve for x
   x = 7,870,992,969,841/1,290,823
6. Step 6: Final answer
   x = 6,097,654.73