Finding the Third Proportional to 27,308 and 57,530

Step by Step Solution

1. Step 1: Write the proportion equation
   27,308 : 57,530 = 57,530 : x
2. Step 2: Convert to fraction form
   27,308/57,530 = 57,530/x
3. Step 3: Cross multiply
   27,308x = 57,530 × 57,530
4. Step 4: Simplify right side
   27,308x = 3,309,700,900
5. Step 5: Solve for x
   x = 3,309,700,900/27,308
6. Step 6: Final answer
   x = 121,198.95