Finding the Third Proportional to 202,455 and 443,043

Step by Step Solution

1. Step 1: Write the proportion equation
   202,455 : 443,043 = 443,043 : x
2. Step 2: Convert to fraction form
   202,455/443,043 = 443,043/x
3. Step 3: Cross multiply
   202,455x = 443,043 × 443,043
4. Step 4: Simplify right side
   202,455x = 196,287,099,849
5. Step 5: Solve for x
   x = 196,287,099,849/202,455
6. Step 6: Final answer
   x = 969,534.46