Finding the Third Proportional to 163,174.50 and 356,238

Step by Step Solution

1. Step 1: Write the proportion equation
   163,174.50 : 356,238 = 356,238 : x
2. Step 2: Convert to fraction form
   163,174.50/356,238 = 356,238/x
3. Step 3: Cross multiply
   163,174.50x = 356,238 × 356,238
4. Step 4: Simplify right side
   163,174.50x = 126,905,512,644
5. Step 5: Solve for x
   x = 126,905,512,644/163,174.50
6. Step 6: Final answer
   x = 777,728.83