Finding the Third Proportional to 111,040 and 169,336

Step by Step Solution

1. Step 1: Write the proportion equation
   111,040 : 169,336 = 169,336 : x
2. Step 2: Convert to fraction form
   111,040/169,336 = 169,336/x
3. Step 3: Cross multiply
   111,040x = 169,336 × 169,336
4. Step 4: Simplify right side
   111,040x = 28,674,680,896
5. Step 5: Solve for x
   x = 28,674,680,896/111,040
6. Step 6: Final answer
   x = 258,237.40