Finding the Third Proportional to 17,911 and 38,994

Step by Step Solution

1. Step 1: Write the proportion equation
   17,911 : 38,994 = 38,994 : x
2. Step 2: Convert to fraction form
   17,911/38,994 = 38,994/x
3. Step 3: Cross multiply
   17,911x = 38,994 × 38,994
4. Step 4: Simplify right side
   17,911x = 1,520,532,036
5. Step 5: Solve for x
   x = 1,520,532,036/17,911
6. Step 6: Final answer
   x = 84,893.75