Finding the Third Proportional to 170,673 and 374,149.50

Step by Step Solution

1. Step 1: Write the proportion equation
   170,673 : 374,149.50 = 374,149.50 : x
2. Step 2: Convert to fraction form
   170,673/374,149.50 = 374,149.50/x
3. Step 3: Cross multiply
   170,673x = 374,149.50 × 374,149.50
4. Step 4: Simplify right side
   170,673x = 139,987,848,350.25
5. Step 5: Solve for x
   x = 139,987,848,350.25/170,673
6. Step 6: Final answer
   x = 820,210.86