Finding the Third Proportional to 113,574.38 and 178,189.59

Step by Step Solution

1. Step 1: Write the proportion equation
   113,574.38 : 178,189.59 = 178,189.59 : x
2. Step 2: Convert to fraction form
   113,574.38/178,189.59 = 178,189.59/x
3. Step 3: Cross multiply
   113,574.38x = 178,189.59 × 178,189.59
4. Step 4: Simplify right side
   113,574.38x = 31,751,531,320.79
5. Step 5: Solve for x
   x = 31,751,531,320.79/113,574.38
6. Step 6: Final answer
   x = 279,565.98