Finding the Third Proportional to 131,667 and 188,153

Step by Step Solution

1. Step 1: Write the proportion equation
   131,667 : 188,153 = 188,153 : x
2. Step 2: Convert to fraction form
   131,667/188,153 = 188,153/x
3. Step 3: Cross multiply
   131,667x = 188,153 × 188,153
4. Step 4: Simplify right side
   131,667x = 35,401,551,409
5. Step 5: Solve for x
   x = 35,401,551,409/131,667
6. Step 6: Final answer
   x = 268,871.86