Finding the Third Proportional to 242,109 and 373,369.50

Step by Step Solution

1. Step 1: Write the proportion equation
   242,109 : 373,369.50 = 373,369.50 : x
2. Step 2: Convert to fraction form
   242,109/373,369.50 = 373,369.50/x
3. Step 3: Cross multiply
   242,109x = 373,369.50 × 373,369.50
4. Step 4: Simplify right side
   242,109x = 139,404,783,530.25
5. Step 5: Solve for x
   x = 139,404,783,530.25/242,109
6. Step 6: Final answer
   x = 575,793.48