Finding the Third Proportional to 287,626 and 604,998

Step by Step Solution

1. Step 1: Write the proportion equation
   287,626 : 604,998 = 604,998 : x
2. Step 2: Convert to fraction form
   287,626/604,998 = 604,998/x
3. Step 3: Cross multiply
   287,626x = 604,998 × 604,998
4. Step 4: Simplify right side
   287,626x = 366,022,580,004
5. Step 5: Solve for x
   x = 366,022,580,004/287,626
6. Step 6: Final answer
   x = 1,272,564.30