Finding the Third Proportional to 190,082 and 403,384

Step by Step Solution

1. Step 1: Write the proportion equation
   190,082 : 403,384 = 403,384 : x
2. Step 2: Convert to fraction form
   190,082/403,384 = 403,384/x
3. Step 3: Cross multiply
   190,082x = 403,384 × 403,384
4. Step 4: Simplify right side
   190,082x = 162,718,651,456
5. Step 5: Solve for x
   x = 162,718,651,456/190,082
6. Step 6: Final answer
   x = 856,044.50