Finding the Third Proportional to 129,945.38 and 194,389.38

Step by Step Solution

1. Step 1: Write the proportion equation
   129,945.38 : 194,389.38 = 194,389.38 : x
2. Step 2: Convert to fraction form
   129,945.38/194,389.38 = 194,389.38/x
3. Step 3: Cross multiply
   129,945.38x = 194,389.38 × 194,389.38
4. Step 4: Simplify right side
   129,945.38x = 37,787,229,112.89
5. Step 5: Solve for x
   x = 37,787,229,112.89/129,945.38
6. Step 6: Final answer
   x = 290,793.18