Finding the Third Proportional to 287,451.50 and 604,697

Step by Step Solution

1. Step 1: Write the proportion equation
   287,451.50 : 604,697 = 604,697 : x
2. Step 2: Convert to fraction form
   287,451.50/604,697 = 604,697/x
3. Step 3: Cross multiply
   287,451.50x = 604,697 × 604,697
4. Step 4: Simplify right side
   287,451.50x = 365,658,461,809
5. Step 5: Solve for x
   x = 365,658,461,809/287,451.50
6. Step 6: Final answer
   x = 1,272,070.11