Finding the Third Proportional to 140,456 and 228,185

Step by Step Solution

1. Step 1: Write the proportion equation
   140,456 : 228,185 = 228,185 : x
2. Step 2: Convert to fraction form
   140,456/228,185 = 228,185/x
3. Step 3: Cross multiply
   140,456x = 228,185 × 228,185
4. Step 4: Simplify right side
   140,456x = 52,068,394,225
5. Step 5: Solve for x
   x = 52,068,394,225/140,456
6. Step 6: Final answer
   x = 370,709.65