Finding the Third Proportional to 86,250 and 131,679

Step by Step Solution

1. Step 1: Write the proportion equation
   86,250 : 131,679 = 131,679 : x
2. Step 2: Convert to fraction form
   86,250/131,679 = 131,679/x
3. Step 3: Cross multiply
   86,250x = 131,679 × 131,679
4. Step 4: Simplify right side
   86,250x = 17,339,359,041
5. Step 5: Solve for x
   x = 17,339,359,041/86,250
6. Step 6: Final answer
   x = 201,036.05