Finding the Third Proportional to 17,672 and 27,380

Step by Step Solution

1. Step 1: Write the proportion equation
   17,672 : 27,380 = 27,380 : x
2. Step 2: Convert to fraction form
   17,672/27,380 = 27,380/x
3. Step 3: Cross multiply
   17,672x = 27,380 × 27,380
4. Step 4: Simplify right side
   17,672x = 749,664,400
5. Step 5: Solve for x
   x = 749,664,400/17,672
6. Step 6: Final answer
   x = 42,421.03