Finding the Third Proportional to 374,995 and 580,799.50

Step by Step Solution

1. Step 1: Write the proportion equation
   374,995 : 580,799.50 = 580,799.50 : x
2. Step 2: Convert to fraction form
   374,995/580,799.50 = 580,799.50/x
3. Step 3: Cross multiply
   374,995x = 580,799.50 × 580,799.50
4. Step 4: Simplify right side
   374,995x = 337,328,059,200.25
5. Step 5: Solve for x
   x = 337,328,059,200.25/374,995
6. Step 6: Final answer
   x = 899,553.49