Finding the Third Proportional to 111,240 and 169,614

Step by Step Solution

1. Step 1: Write the proportion equation
   111,240 : 169,614 = 169,614 : x
2. Step 2: Convert to fraction form
   111,240/169,614 = 169,614/x
3. Step 3: Cross multiply
   111,240x = 169,614 × 169,614
4. Step 4: Simplify right side
   111,240x = 28,768,908,996
5. Step 5: Solve for x
   x = 28,768,908,996/111,240
6. Step 6: Final answer
   x = 258,620.18