Finding the Third Proportional to 202,550 and 443,228

Step by Step Solution

1. Step 1: Write the proportion equation
   202,550 : 443,228 = 443,228 : x
2. Step 2: Convert to fraction form
   202,550/443,228 = 443,228/x
3. Step 3: Cross multiply
   202,550x = 443,228 × 443,228
4. Step 4: Simplify right side
   202,550x = 196,451,059,984
5. Step 5: Solve for x
   x = 196,451,059,984/202,550
6. Step 6: Final answer
   x = 969,889.21