Finding the Third Proportional to 188,680 and 410,672

Step by Step Solution

1. Step 1: Write the proportion equation
   188,680 : 410,672 = 410,672 : x
2. Step 2: Convert to fraction form
   188,680/410,672 = 410,672/x
3. Step 3: Cross multiply
   188,680x = 410,672 × 410,672
4. Step 4: Simplify right side
   188,680x = 168,651,491,584
5. Step 5: Solve for x
   x = 168,651,491,584/188,680
6. Step 6: Final answer
   x = 893,849.33