Finding the Third Proportional to 1,293,578 and 2,813,666

Step by Step Solution

1. Step 1: Write the proportion equation
   1,293,578 : 2,813,666 = 2,813,666 : x
2. Step 2: Convert to fraction form
   1,293,578/2,813,666 = 2,813,666/x
3. Step 3: Cross multiply
   1,293,578x = 2,813,666 × 2,813,666
4. Step 4: Simplify right side
   1,293,578x = 7,916,716,359,556
5. Step 5: Solve for x
   x = 7,916,716,359,556/1,293,578
6. Step 6: Final answer
   x = 6,120,014.69