Finding the Third Proportional to 17,845.31 and 39,229.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,845.31 : 39,229.31 = 39,229.31 : x
2. Step 2: Convert to fraction form
   17,845.31/39,229.31 = 39,229.31/x
3. Step 3: Cross multiply
   17,845.31x = 39,229.31 × 39,229.31
4. Step 4: Simplify right side
   17,845.31x = 1,538,938,959.22
5. Step 5: Solve for x
   x = 1,538,938,959.22/17,845.31
6. Step 6: Final answer
   x = 86,237.71