Finding the Third Proportional to 17,938 and 39,500

Step by Step Solution

1. Step 1: Write the proportion equation
   17,938 : 39,500 = 39,500 : x
2. Step 2: Convert to fraction form
   17,938/39,500 = 39,500/x
3. Step 3: Cross multiply
   17,938x = 39,500 × 39,500
4. Step 4: Simplify right side
   17,938x = 1,560,250,000
5. Step 5: Solve for x
   x = 1,560,250,000/17,938
6. Step 6: Final answer
   x = 86,980.15