Finding the Third Proportional to 111,039 and 169,323

Step by Step Solution

1. Step 1: Write the proportion equation
   111,039 : 169,323 = 169,323 : x
2. Step 2: Convert to fraction form
   111,039/169,323 = 169,323/x
3. Step 3: Cross multiply
   111,039x = 169,323 × 169,323
4. Step 4: Simplify right side
   111,039x = 28,670,278,329
5. Step 5: Solve for x
   x = 28,670,278,329/111,039
6. Step 6: Final answer
   x = 258,200.08