Finding the Third Proportional to 111,990 and 174,804

Step by Step Solution

1. Step 1: Write the proportion equation
   111,990 : 174,804 = 174,804 : x
2. Step 2: Convert to fraction form
   111,990/174,804 = 174,804/x
3. Step 3: Cross multiply
   111,990x = 174,804 × 174,804
4. Step 4: Simplify right side
   111,990x = 30,556,438,416
5. Step 5: Solve for x
   x = 30,556,438,416/111,990
6. Step 6: Final answer
   x = 272,849.70