Finding the Third Proportional to 9,259.31 and 18,837.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,259.31 : 18,837.56 = 18,837.56 : x
2. Step 2: Convert to fraction form
   9,259.31/18,837.56 = 18,837.56/x
3. Step 3: Cross multiply
   9,259.31x = 18,837.56 × 18,837.56
4. Step 4: Simplify right side
   9,259.31x = 354,853,760.94
5. Step 5: Solve for x
   x = 354,853,760.94/9,259.31
6. Step 6: Final answer
   x = 38,323.99