Finding the Third Proportional to 17,911.50 and 38,934

Step by Step Solution

1. Step 1: Write the proportion equation
   17,911.50 : 38,934 = 38,934 : x
2. Step 2: Convert to fraction form
   17,911.50/38,934 = 38,934/x
3. Step 3: Cross multiply
   17,911.50x = 38,934 × 38,934
4. Step 4: Simplify right side
   17,911.50x = 1,515,856,356
5. Step 5: Solve for x
   x = 1,515,856,356/17,911.50
6. Step 6: Final answer
   x = 84,630.34