Finding the Third Proportional to 64,273.50 and 131,679

Step by Step Solution

1. Step 1: Write the proportion equation
   64,273.50 : 131,679 = 131,679 : x
2. Step 2: Convert to fraction form
   64,273.50/131,679 = 131,679/x
3. Step 3: Cross multiply
   64,273.50x = 131,679 × 131,679
4. Step 4: Simplify right side
   64,273.50x = 17,339,359,041
5. Step 5: Solve for x
   x = 17,339,359,041/64,273.50
6. Step 6: Final answer
   x = 269,774.62