Finding the Third Proportional to 9,548.72 and 20,979

Step by Step Solution

1. Step 1: Write the proportion equation
   9,548.72 : 20,979 = 20,979 : x
2. Step 2: Convert to fraction form
   9,548.72/20,979 = 20,979/x
3. Step 3: Cross multiply
   9,548.72x = 20,979 × 20,979
4. Step 4: Simplify right side
   9,548.72x = 440,118,441
5. Step 5: Solve for x
   x = 440,118,441/9,548.72
6. Step 6: Final answer
   x = 46,091.88