Finding the Third Proportional to 15,811.31 and 23,709.38

Step by Step Solution

1. Step 1: Write the proportion equation
   15,811.31 : 23,709.38 = 23,709.38 : x
2. Step 2: Convert to fraction form
   15,811.31/23,709.38 = 23,709.38/x
3. Step 3: Cross multiply
   15,811.31x = 23,709.38 × 23,709.38
4. Step 4: Simplify right side
   15,811.31x = 562,134,462.89
5. Step 5: Solve for x
   x = 562,134,462.89/15,811.31
6. Step 6: Final answer
   x = 35,552.68