Finding the Third Proportional to 295,456 and 443,069

Step by Step Solution

1. Step 1: Write the proportion equation
   295,456 : 443,069 = 443,069 : x
2. Step 2: Convert to fraction form
   295,456/443,069 = 443,069/x
3. Step 3: Cross multiply
   295,456x = 443,069 × 443,069
4. Step 4: Simplify right side
   295,456x = 196,310,138,761
5. Step 5: Solve for x
   x = 196,310,138,761/295,456
6. Step 6: Final answer
   x = 664,431.04