Finding the Third Proportional to 589,308 and 1,286,568

Step by Step Solution

1. Step 1: Write the proportion equation
   589,308 : 1,286,568 = 1,286,568 : x
2. Step 2: Convert to fraction form
   589,308/1,286,568 = 1,286,568/x
3. Step 3: Cross multiply
   589,308x = 1,286,568 × 1,286,568
4. Step 4: Simplify right side
   589,308x = 1,655,257,218,624
5. Step 5: Solve for x
   x = 1,655,257,218,624/589,308
6. Step 6: Final answer
   x = 2,808,815.12