Finding the Third Proportional to 199,174.50 and 431,568

Step by Step Solution

1. Step 1: Write the proportion equation
   199,174.50 : 431,568 = 431,568 : x
2. Step 2: Convert to fraction form
   199,174.50/431,568 = 431,568/x
3. Step 3: Cross multiply
   199,174.50x = 431,568 × 431,568
4. Step 4: Simplify right side
   199,174.50x = 186,250,938,624
5. Step 5: Solve for x
   x = 186,250,938,624/199,174.50
6. Step 6: Final answer
   x = 935,114.38