Finding the Third Proportional to 199,287 and 433,564.50

Step by Step Solution

1. Step 1: Write the proportion equation
   199,287 : 433,564.50 = 433,564.50 : x
2. Step 2: Convert to fraction form
   199,287/433,564.50 = 433,564.50/x
3. Step 3: Cross multiply
   199,287x = 433,564.50 × 433,564.50
4. Step 4: Simplify right side
   199,287x = 187,978,175,660.25
5. Step 5: Solve for x
   x = 187,978,175,660.25/199,287
6. Step 6: Final answer
   x = 943,253.58