Finding the Third Proportional to 287,441.25 and 604,650

Step by Step Solution

1. Step 1: Write the proportion equation
   287,441.25 : 604,650 = 604,650 : x
2. Step 2: Convert to fraction form
   287,441.25/604,650 = 604,650/x
3. Step 3: Cross multiply
   287,441.25x = 604,650 × 604,650
4. Step 4: Simplify right side
   287,441.25x = 365,601,622,500
5. Step 5: Solve for x
   x = 365,601,622,500/287,441.25
6. Step 6: Final answer
   x = 1,271,917.73