Finding the Third Proportional to 70,859.94 and 154,174.78

Step by Step Solution

1. Step 1: Write the proportion equation
   70,859.94 : 154,174.78 = 154,174.78 : x
2. Step 2: Convert to fraction form
   70,859.94/154,174.78 = 154,174.78/x
3. Step 3: Cross multiply
   70,859.94x = 154,174.78 × 154,174.78
4. Step 4: Simplify right side
   70,859.94x = 23,769,863,173.49
5. Step 5: Solve for x
   x = 23,769,863,173.49/70,859.94
6. Step 6: Final answer
   x = 335,448.55