Finding the Third Proportional to 17,938 and 38,986

Step by Step Solution

1. Step 1: Write the proportion equation
   17,938 : 38,986 = 38,986 : x
2. Step 2: Convert to fraction form
   17,938/38,986 = 38,986/x
3. Step 3: Cross multiply
   17,938x = 38,986 × 38,986
4. Step 4: Simplify right side
   17,938x = 1,519,908,196
5. Step 5: Solve for x
   x = 1,519,908,196/17,938
6. Step 6: Final answer
   x = 84,731.20