Finding the Third Proportional to 15,731.44 and 30,665.81

Step by Step Solution

1. Step 1: Write the proportion equation
   15,731.44 : 30,665.81 = 30,665.81 : x
2. Step 2: Convert to fraction form
   15,731.44/30,665.81 = 30,665.81/x
3. Step 3: Cross multiply
   15,731.44x = 30,665.81 × 30,665.81
4. Step 4: Simplify right side
   15,731.44x = 940,392,056.29
5. Step 5: Solve for x
   x = 940,392,056.29/15,731.44
6. Step 6: Final answer
   x = 59,777.88