Finding the Third Proportional to 17,870.63 and 39,241.97

Step by Step Solution

1. Step 1: Write the proportion equation
   17,870.63 : 39,241.97 = 39,241.97 : x
2. Step 2: Convert to fraction form
   17,870.63/39,241.97 = 39,241.97/x
3. Step 3: Cross multiply
   17,870.63x = 39,241.97 × 39,241.97
4. Step 4: Simplify right side
   17,870.63x = 1,539,932,111.38
5. Step 5: Solve for x
   x = 1,539,932,111.38/17,870.63
6. Step 6: Final answer
   x = 86,171.14