Finding the Third Proportional to 102,276 and 223,144

Step by Step Solution

1. Step 1: Write the proportion equation
   102,276 : 223,144 = 223,144 : x
2. Step 2: Convert to fraction form
   102,276/223,144 = 223,144/x
3. Step 3: Cross multiply
   102,276x = 223,144 × 223,144
4. Step 4: Simplify right side
   102,276x = 49,793,244,736
5. Step 5: Solve for x
   x = 49,793,244,736/102,276
6. Step 6: Final answer
   x = 486,851.70