Finding the Third Proportional to 295,359 and 443,310

Step by Step Solution

1. Step 1: Write the proportion equation
   295,359 : 443,310 = 443,310 : x
2. Step 2: Convert to fraction form
   295,359/443,310 = 443,310/x
3. Step 3: Cross multiply
   295,359x = 443,310 × 443,310
4. Step 4: Simplify right side
   295,359x = 196,523,756,100
5. Step 5: Solve for x
   x = 196,523,756,100/295,359
6. Step 6: Final answer
   x = 665,372.50