Finding the Third Proportional to 17,912.25 and 39,010.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,912.25 : 39,010.50 = 39,010.50 : x
2. Step 2: Convert to fraction form
   17,912.25/39,010.50 = 39,010.50/x
3. Step 3: Cross multiply
   17,912.25x = 39,010.50 × 39,010.50
4. Step 4: Simplify right side
   17,912.25x = 1,521,819,110.25
5. Step 5: Solve for x
   x = 1,521,819,110.25/17,912.25
6. Step 6: Final answer
   x = 84,959.68