Finding the Third Proportional to 121,180.50 and 248,238

Step by Step Solution

1. Step 1: Write the proportion equation
   121,180.50 : 248,238 = 248,238 : x
2. Step 2: Convert to fraction form
   121,180.50/248,238 = 248,238/x
3. Step 3: Cross multiply
   121,180.50x = 248,238 × 248,238
4. Step 4: Simplify right side
   121,180.50x = 61,622,104,644
5. Step 5: Solve for x
   x = 61,622,104,644/121,180.50
6. Step 6: Final answer
   x = 508,515.02