Finding the Third Proportional to 374,995.50 and 580,800

Step by Step Solution

1. Step 1: Write the proportion equation
   374,995.50 : 580,800 = 580,800 : x
2. Step 2: Convert to fraction form
   374,995.50/580,800 = 580,800/x
3. Step 3: Cross multiply
   374,995.50x = 580,800 × 580,800
4. Step 4: Simplify right side
   374,995.50x = 337,328,640,000
5. Step 5: Solve for x
   x = 337,328,640,000/374,995.50
6. Step 6: Final answer
   x = 899,553.83