Finding the Third Proportional to 15,939.28 and 34,908.47

Step by Step Solution

1. Step 1: Write the proportion equation
   15,939.28 : 34,908.47 = 34,908.47 : x
2. Step 2: Convert to fraction form
   15,939.28/34,908.47 = 34,908.47/x
3. Step 3: Cross multiply
   15,939.28x = 34,908.47 × 34,908.47
4. Step 4: Simplify right side
   15,939.28x = 1,218,601,190.47
5. Step 5: Solve for x
   x = 1,218,601,190.47/15,939.28
6. Step 6: Final answer
   x = 76,452.71