Finding the Third Proportional to 39,959.75 and 59,666

Step by Step Solution

1. Step 1: Write the proportion equation
   39,959.75 : 59,666 = 59,666 : x
2. Step 2: Convert to fraction form
   39,959.75/59,666 = 59,666/x
3. Step 3: Cross multiply
   39,959.75x = 59,666 × 59,666
4. Step 4: Simplify right side
   39,959.75x = 3,560,031,556
5. Step 5: Solve for x
   x = 3,560,031,556/39,959.75
6. Step 6: Final answer
   x = 89,090.44