Finding the Third Proportional to 582,687 and 1,281,007

Step by Step Solution

1. Step 1: Write the proportion equation
   582,687 : 1,281,007 = 1,281,007 : x
2. Step 2: Convert to fraction form
   582,687/1,281,007 = 1,281,007/x
3. Step 3: Cross multiply
   582,687x = 1,281,007 × 1,281,007
4. Step 4: Simplify right side
   582,687x = 1,640,978,934,049
5. Step 5: Solve for x
   x = 1,640,978,934,049/582,687
6. Step 6: Final answer
   x = 2,816,227.12