Finding the Third Proportional to 30,911 and 43,666

Step by Step Solution

1. Step 1: Write the proportion equation
   30,911 : 43,666 = 43,666 : x
2. Step 2: Convert to fraction form
   30,911/43,666 = 43,666/x
3. Step 3: Cross multiply
   30,911x = 43,666 × 43,666
4. Step 4: Simplify right side
   30,911x = 1,906,719,556
5. Step 5: Solve for x
   x = 1,906,719,556/30,911
6. Step 6: Final answer
   x = 61,684.18