Finding the Third Proportional to 111,303 and 170,636

Step by Step Solution

1. Step 1: Write the proportion equation
   111,303 : 170,636 = 170,636 : x
2. Step 2: Convert to fraction form
   111,303/170,636 = 170,636/x
3. Step 3: Cross multiply
   111,303x = 170,636 × 170,636
4. Step 4: Simplify right side
   111,303x = 29,116,644,496
5. Step 5: Solve for x
   x = 29,116,644,496/111,303
6. Step 6: Final answer
   x = 261,598.02