Finding the Third Proportional to 111,569 and 245,179

Step by Step Solution

1. Step 1: Write the proportion equation
   111,569 : 245,179 = 245,179 : x
2. Step 2: Convert to fraction form
   111,569/245,179 = 245,179/x
3. Step 3: Cross multiply
   111,569x = 245,179 × 245,179
4. Step 4: Simplify right side
   111,569x = 60,112,742,041
5. Step 5: Solve for x
   x = 60,112,742,041/111,569
6. Step 6: Final answer
   x = 538,794.31