Finding the Third Proportional to 374,175.50 and 820,783.50

Step by Step Solution

1. Step 1: Write the proportion equation
   374,175.50 : 820,783.50 = 820,783.50 : x
2. Step 2: Convert to fraction form
   374,175.50/820,783.50 = 820,783.50/x
3. Step 3: Cross multiply
   374,175.50x = 820,783.50 × 820,783.50
4. Step 4: Simplify right side
   374,175.50x = 673,685,553,872.25
5. Step 5: Solve for x
   x = 673,685,553,872.25/374,175.50
6. Step 6: Final answer
   x = 1,800,453.41