Finding the Third Proportional to 287,451.75 and 604,698

Step by Step Solution

1. Step 1: Write the proportion equation
   287,451.75 : 604,698 = 604,698 : x
2. Step 2: Convert to fraction form
   287,451.75/604,698 = 604,698/x
3. Step 3: Cross multiply
   287,451.75x = 604,698 × 604,698
4. Step 4: Simplify right side
   287,451.75x = 365,659,671,204
5. Step 5: Solve for x
   x = 365,659,671,204/287,451.75
6. Step 6: Final answer
   x = 1,272,073.21