Finding the Third Proportional to 203,422 and 443,007

Step by Step Solution

1. Step 1: Write the proportion equation
   203,422 : 443,007 = 443,007 : x
2. Step 2: Convert to fraction form
   203,422/443,007 = 443,007/x
3. Step 3: Cross multiply
   203,422x = 443,007 × 443,007
4. Step 4: Simplify right side
   203,422x = 196,255,202,049
5. Step 5: Solve for x
   x = 196,255,202,049/203,422
6. Step 6: Final answer
   x = 964,768.82