Finding the Third Proportional to 202,357 and 443,392

Step by Step Solution

1. Step 1: Write the proportion equation
   202,357 : 443,392 = 443,392 : x
2. Step 2: Convert to fraction form
   202,357/443,392 = 443,392/x
3. Step 3: Cross multiply
   202,357x = 443,392 × 443,392
4. Step 4: Simplify right side
   202,357x = 196,596,465,664
5. Step 5: Solve for x
   x = 196,596,465,664/202,357
6. Step 6: Final answer
   x = 971,532.81