Finding the Third Proportional to 190,111.50 and 284,598

Step by Step Solution

1. Step 1: Write the proportion equation
   190,111.50 : 284,598 = 284,598 : x
2. Step 2: Convert to fraction form
   190,111.50/284,598 = 284,598/x
3. Step 3: Cross multiply
   190,111.50x = 284,598 × 284,598
4. Step 4: Simplify right side
   190,111.50x = 80,996,021,604
5. Step 5: Solve for x
   x = 80,996,021,604/190,111.50
6. Step 6: Final answer
   x = 426,044.83