Finding the Third Proportional to 202,342 and 443,229

Step by Step Solution

1. Step 1: Write the proportion equation
   202,342 : 443,229 = 443,229 : x
2. Step 2: Convert to fraction form
   202,342/443,229 = 443,229/x
3. Step 3: Cross multiply
   202,342x = 443,229 × 443,229
4. Step 4: Simplify right side
   202,342x = 196,451,946,441
5. Step 5: Solve for x
   x = 196,451,946,441/202,342
6. Step 6: Final answer
   x = 970,890.60