Finding the Third Proportional to 1,199,409 and 2,576,670

Step by Step Solution

1. Step 1: Write the proportion equation
   1,199,409 : 2,576,670 = 2,576,670 : x
2. Step 2: Convert to fraction form
   1,199,409/2,576,670 = 2,576,670/x
3. Step 3: Cross multiply
   1,199,409x = 2,576,670 × 2,576,670
4. Step 4: Simplify right side
   1,199,409x = 6,639,228,288,900
5. Step 5: Solve for x
   x = 6,639,228,288,900/1,199,409
6. Step 6: Final answer
   x = 5,535,416.43