Finding the Third Proportional to 199,676.25 and 434,337

Step by Step Solution

1. Step 1: Write the proportion equation
   199,676.25 : 434,337 = 434,337 : x
2. Step 2: Convert to fraction form
   199,676.25/434,337 = 434,337/x
3. Step 3: Cross multiply
   199,676.25x = 434,337 × 434,337
4. Step 4: Simplify right side
   199,676.25x = 188,648,629,569
5. Step 5: Solve for x
   x = 188,648,629,569/199,676.25
6. Step 6: Final answer
   x = 944,772.50