Finding the Third Proportional to 188,355 and 284,452.50

Step by Step Solution

1. Step 1: Write the proportion equation
   188,355 : 284,452.50 = 284,452.50 : x
2. Step 2: Convert to fraction form
   188,355/284,452.50 = 284,452.50/x
3. Step 3: Cross multiply
   188,355x = 284,452.50 × 284,452.50
4. Step 4: Simplify right side
   188,355x = 80,913,224,756.25
5. Step 5: Solve for x
   x = 80,913,224,756.25/188,355
6. Step 6: Final answer
   x = 429,578.32