Finding the Third Proportional to 249,452 and 443,492

Step by Step Solution

1. Step 1: Write the proportion equation
   249,452 : 443,492 = 443,492 : x
2. Step 2: Convert to fraction form
   249,452/443,492 = 443,492/x
3. Step 3: Cross multiply
   249,452x = 443,492 × 443,492
4. Step 4: Simplify right side
   249,452x = 196,685,154,064
5. Step 5: Solve for x
   x = 196,685,154,064/249,452
6. Step 6: Final answer
   x = 788,468.94