Finding the Third Proportional to 82,006.50 and 133,911

Step by Step Solution

1. Step 1: Write the proportion equation
   82,006.50 : 133,911 = 133,911 : x
2. Step 2: Convert to fraction form
   82,006.50/133,911 = 133,911/x
3. Step 3: Cross multiply
   82,006.50x = 133,911 × 133,911
4. Step 4: Simplify right side
   82,006.50x = 17,932,155,921
5. Step 5: Solve for x
   x = 17,932,155,921/82,006.50
6. Step 6: Final answer
   x = 218,667.49