Finding the Third Proportional to 586,766 and 1,287,580

Step by Step Solution

1. Step 1: Write the proportion equation
   586,766 : 1,287,580 = 1,287,580 : x
2. Step 2: Convert to fraction form
   586,766/1,287,580 = 1,287,580/x
3. Step 3: Cross multiply
   586,766x = 1,287,580 × 1,287,580
4. Step 4: Simplify right side
   586,766x = 1,657,862,256,400
5. Step 5: Solve for x
   x = 1,657,862,256,400/586,766
6. Step 6: Final answer
   x = 2,825,423.18