Finding the Third Proportional to 586,282 and 1,284,789

Step by Step Solution

1. Step 1: Write the proportion equation
   586,282 : 1,284,789 = 1,284,789 : x
2. Step 2: Convert to fraction form
   586,282/1,284,789 = 1,284,789/x
3. Step 3: Cross multiply
   586,282x = 1,284,789 × 1,284,789
4. Step 4: Simplify right side
   586,282x = 1,650,682,774,521
5. Step 5: Solve for x
   x = 1,650,682,774,521/586,282
6. Step 6: Final answer
   x = 2,815,509.90