Finding the Third Proportional to 17,480 and 38,672

Step by Step Solution

1. Step 1: Write the proportion equation
   17,480 : 38,672 = 38,672 : x
2. Step 2: Convert to fraction form
   17,480/38,672 = 38,672/x
3. Step 3: Cross multiply
   17,480x = 38,672 × 38,672
4. Step 4: Simplify right side
   17,480x = 1,495,523,584
5. Step 5: Solve for x
   x = 1,495,523,584/17,480
6. Step 6: Final answer
   x = 85,556.27