Finding the Third Proportional to 111,082 and 238,580

Step by Step Solution

1. Step 1: Write the proportion equation
   111,082 : 238,580 = 238,580 : x
2. Step 2: Convert to fraction form
   111,082/238,580 = 238,580/x
3. Step 3: Cross multiply
   111,082x = 238,580 × 238,580
4. Step 4: Simplify right side
   111,082x = 56,920,416,400
5. Step 5: Solve for x
   x = 56,920,416,400/111,082
6. Step 6: Final answer
   x = 512,418.00