Finding the Third Proportional to 9,259.31 and 19,407.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,259.31 : 19,407.09 = 19,407.09 : x
2. Step 2: Convert to fraction form
   9,259.31/19,407.09 = 19,407.09/x
3. Step 3: Cross multiply
   9,259.31x = 19,407.09 × 19,407.09
4. Step 4: Simplify right side
   9,259.31x = 376,635,287.82
5. Step 5: Solve for x
   x = 376,635,287.82/9,259.31
6. Step 6: Final answer
   x = 40,676.38