Finding the Third Proportional to 202,530 and 443,187

Step by Step Solution

1. Step 1: Write the proportion equation
   202,530 : 443,187 = 443,187 : x
2. Step 2: Convert to fraction form
   202,530/443,187 = 443,187/x
3. Step 3: Cross multiply
   202,530x = 443,187 × 443,187
4. Step 4: Simplify right side
   202,530x = 196,414,716,969
5. Step 5: Solve for x
   x = 196,414,716,969/202,530
6. Step 6: Final answer
   x = 969,805.54