Finding the Third Proportional to 190,086 and 284,563.50

Step by Step Solution

1. Step 1: Write the proportion equation
   190,086 : 284,563.50 = 284,563.50 : x
2. Step 2: Convert to fraction form
   190,086/284,563.50 = 284,563.50/x
3. Step 3: Cross multiply
   190,086x = 284,563.50 × 284,563.50
4. Step 4: Simplify right side
   190,086x = 80,976,385,532.25
5. Step 5: Solve for x
   x = 80,976,385,532.25/190,086
6. Step 6: Final answer
   x = 425,998.68