Finding the Third Proportional to 450,031.50 and 606,198

Step by Step Solution

1. Step 1: Write the proportion equation
   450,031.50 : 606,198 = 606,198 : x
2. Step 2: Convert to fraction form
   450,031.50/606,198 = 606,198/x
3. Step 3: Cross multiply
   450,031.50x = 606,198 × 606,198
4. Step 4: Simplify right side
   450,031.50x = 367,476,015,204
5. Step 5: Solve for x
   x = 367,476,015,204/450,031.50
6. Step 6: Final answer
   x = 816,556.21