Finding the Third Proportional to 287,581.50 and 604,902

Step by Step Solution

1. Step 1: Write the proportion equation
   287,581.50 : 604,902 = 604,902 : x
2. Step 2: Convert to fraction form
   287,581.50/604,902 = 604,902/x
3. Step 3: Cross multiply
   287,581.50x = 604,902 × 604,902
4. Step 4: Simplify right side
   287,581.50x = 365,906,429,604
5. Step 5: Solve for x
   x = 365,906,429,604/287,581.50
6. Step 6: Final answer
   x = 1,272,357.33