Finding the Third Proportional to 111,676 and 207,632

Step by Step Solution

1. Step 1: Write the proportion equation
   111,676 : 207,632 = 207,632 : x
2. Step 2: Convert to fraction form
   111,676/207,632 = 207,632/x
3. Step 3: Cross multiply
   111,676x = 207,632 × 207,632
4. Step 4: Simplify right side
   111,676x = 43,111,047,424
5. Step 5: Solve for x
   x = 43,111,047,424/111,676
6. Step 6: Final answer
   x = 386,036.82