Finding the Third Proportional to 188,836.50 and 410,274

Step by Step Solution

1. Step 1: Write the proportion equation
   188,836.50 : 410,274 = 410,274 : x
2. Step 2: Convert to fraction form
   188,836.50/410,274 = 410,274/x
3. Step 3: Cross multiply
   188,836.50x = 410,274 × 410,274
4. Step 4: Simplify right side
   188,836.50x = 168,324,755,076
5. Step 5: Solve for x
   x = 168,324,755,076/188,836.50
6. Step 6: Final answer
   x = 891,378.28