Finding the Third Proportional to 374,280.75 and 820,300.50

Step by Step Solution

1. Step 1: Write the proportion equation
   374,280.75 : 820,300.50 = 820,300.50 : x
2. Step 2: Convert to fraction form
   374,280.75/820,300.50 = 820,300.50/x
3. Step 3: Cross multiply
   374,280.75x = 820,300.50 × 820,300.50
4. Step 4: Simplify right side
   374,280.75x = 672,892,910,300.25
5. Step 5: Solve for x
   x = 672,892,910,300.25/374,280.75
6. Step 6: Final answer
   x = 1,797,829.33