Finding the Third Proportional to 289,179.50 and 613,350

Step by Step Solution

1. Step 1: Write the proportion equation
   289,179.50 : 613,350 = 613,350 : x
2. Step 2: Convert to fraction form
   289,179.50/613,350 = 613,350/x
3. Step 3: Cross multiply
   289,179.50x = 613,350 × 613,350
4. Step 4: Simplify right side
   289,179.50x = 376,198,222,500
5. Step 5: Solve for x
   x = 376,198,222,500/289,179.50
6. Step 6: Final answer
   x = 1,300,915.94