Finding the Third Proportional to 199,576.50 and 433,059

Step by Step Solution

1. Step 1: Write the proportion equation
   199,576.50 : 433,059 = 433,059 : x
2. Step 2: Convert to fraction form
   199,576.50/433,059 = 433,059/x
3. Step 3: Cross multiply
   199,576.50x = 433,059 × 433,059
4. Step 4: Simplify right side
   199,576.50x = 187,540,097,481
5. Step 5: Solve for x
   x = 187,540,097,481/199,576.50
6. Step 6: Final answer
   x = 939,690.28