Finding the Third Proportional to 287,828 and 610,732

Step by Step Solution

1. Step 1: Write the proportion equation
   287,828 : 610,732 = 610,732 : x
2. Step 2: Convert to fraction form
   287,828/610,732 = 610,732/x
3. Step 3: Cross multiply
   287,828x = 610,732 × 610,732
4. Step 4: Simplify right side
   287,828x = 372,993,575,824
5. Step 5: Solve for x
   x = 372,993,575,824/287,828
6. Step 6: Final answer
   x = 1,295,890.52