Finding the Third Proportional to 16,172 and 35,530

Step by Step Solution

1. Step 1: Write the proportion equation
   16,172 : 35,530 = 35,530 : x
2. Step 2: Convert to fraction form
   16,172/35,530 = 35,530/x
3. Step 3: Cross multiply
   16,172x = 35,530 × 35,530
4. Step 4: Simplify right side
   16,172x = 1,262,380,900
5. Step 5: Solve for x
   x = 1,262,380,900/16,172
6. Step 6: Final answer
   x = 78,059.66