Finding the Third Proportional to 199,596 and 431,176.50

Step by Step Solution

1. Step 1: Write the proportion equation
   199,596 : 431,176.50 = 431,176.50 : x
2. Step 2: Convert to fraction form
   199,596/431,176.50 = 431,176.50/x
3. Step 3: Cross multiply
   199,596x = 431,176.50 × 431,176.50
4. Step 4: Simplify right side
   199,596x = 185,913,174,152.25
5. Step 5: Solve for x
   x = 185,913,174,152.25/199,596
6. Step 6: Final answer
   x = 931,447.39