Finding the Third Proportional to 202,339 and 443,223

Step by Step Solution

1. Step 1: Write the proportion equation
   202,339 : 443,223 = 443,223 : x
2. Step 2: Convert to fraction form
   202,339/443,223 = 443,223/x
3. Step 3: Cross multiply
   202,339x = 443,223 × 443,223
4. Step 4: Simplify right side
   202,339x = 196,446,627,729
5. Step 5: Solve for x
   x = 196,446,627,729/202,339
6. Step 6: Final answer
   x = 970,878.71