Finding the Third Proportional to 287,832 and 610,740

Step by Step Solution

1. Step 1: Write the proportion equation
   287,832 : 610,740 = 610,740 : x
2. Step 2: Convert to fraction form
   287,832/610,740 = 610,740/x
3. Step 3: Cross multiply
   287,832x = 610,740 × 610,740
4. Step 4: Simplify right side
   287,832x = 373,003,347,600
5. Step 5: Solve for x
   x = 373,003,347,600/287,832
6. Step 6: Final answer
   x = 1,295,906.46