Finding the Third Proportional to 17,928 and 39,030

Step by Step Solution

1. Step 1: Write the proportion equation
   17,928 : 39,030 = 39,030 : x
2. Step 2: Convert to fraction form
   17,928/39,030 = 39,030/x
3. Step 3: Cross multiply
   17,928x = 39,030 × 39,030
4. Step 4: Simplify right side
   17,928x = 1,523,340,900
5. Step 5: Solve for x
   x = 1,523,340,900/17,928
6. Step 6: Final answer
   x = 84,969.93