Finding the Third Proportional to 17,912 and 39,010

Step by Step Solution

1. Step 1: Write the proportion equation
   17,912 : 39,010 = 39,010 : x
2. Step 2: Convert to fraction form
   17,912/39,010 = 39,010/x
3. Step 3: Cross multiply
   17,912x = 39,010 × 39,010
4. Step 4: Simplify right side
   17,912x = 1,521,780,100
5. Step 5: Solve for x
   x = 1,521,780,100/17,912
6. Step 6: Final answer
   x = 84,958.69