Finding the Third Proportional to 111,104 and 172,080

Step by Step Solution

1. Step 1: Write the proportion equation
   111,104 : 172,080 = 172,080 : x
2. Step 2: Convert to fraction form
   111,104/172,080 = 172,080/x
3. Step 3: Cross multiply
   111,104x = 172,080 × 172,080
4. Step 4: Simplify right side
   111,104x = 29,611,526,400
5. Step 5: Solve for x
   x = 29,611,526,400/111,104
6. Step 6: Final answer
   x = 266,520.79