Finding the Third Proportional to 586,300 and 1,284,816

Step by Step Solution

1. Step 1: Write the proportion equation
   586,300 : 1,284,816 = 1,284,816 : x
2. Step 2: Convert to fraction form
   586,300/1,284,816 = 1,284,816/x
3. Step 3: Cross multiply
   586,300x = 1,284,816 × 1,284,816
4. Step 4: Simplify right side
   586,300x = 1,650,752,153,856
5. Step 5: Solve for x
   x = 1,650,752,153,856/586,300
6. Step 6: Final answer
   x = 2,815,541.79