Finding the Third Proportional to 164,648.50 and 248,270

Step by Step Solution

1. Step 1: Write the proportion equation
   164,648.50 : 248,270 = 248,270 : x
2. Step 2: Convert to fraction form
   164,648.50/248,270 = 248,270/x
3. Step 3: Cross multiply
   164,648.50x = 248,270 × 248,270
4. Step 4: Simplify right side
   164,648.50x = 61,637,992,900
5. Step 5: Solve for x
   x = 61,637,992,900/164,648.50
6. Step 6: Final answer
   x = 374,361.10