Finding the Third Proportional to 228,034.50 and 315,942

Step by Step Solution

1. Step 1: Write the proportion equation
   228,034.50 : 315,942 = 315,942 : x
2. Step 2: Convert to fraction form
   228,034.50/315,942 = 315,942/x
3. Step 3: Cross multiply
   228,034.50x = 315,942 × 315,942
4. Step 4: Simplify right side
   228,034.50x = 99,819,347,364
5. Step 5: Solve for x
   x = 99,819,347,364/228,034.50
6. Step 6: Final answer
   x = 437,737.92