Finding the Third Proportional to 586,279 and 1,284,783

Step by Step Solution

1. Step 1: Write the proportion equation
   586,279 : 1,284,783 = 1,284,783 : x
2. Step 2: Convert to fraction form
   586,279/1,284,783 = 1,284,783/x
3. Step 3: Cross multiply
   586,279x = 1,284,783 × 1,284,783
4. Step 4: Simplify right side
   586,279x = 1,650,667,357,089
5. Step 5: Solve for x
   x = 1,650,667,357,089/586,279
6. Step 6: Final answer
   x = 2,815,498.01