Finding the Third Proportional to 202,354 and 443,253

Step by Step Solution

1. Step 1: Write the proportion equation
   202,354 : 443,253 = 443,253 : x
2. Step 2: Convert to fraction form
   202,354/443,253 = 443,253/x
3. Step 3: Cross multiply
   202,354x = 443,253 × 443,253
4. Step 4: Simplify right side
   202,354x = 196,473,222,009
5. Step 5: Solve for x
   x = 196,473,222,009/202,354
6. Step 6: Final answer
   x = 970,938.17