Finding the Third Proportional to 111,692 and 240,880

Step by Step Solution

1. Step 1: Write the proportion equation
   111,692 : 240,880 = 240,880 : x
2. Step 2: Convert to fraction form
   111,692/240,880 = 240,880/x
3. Step 3: Cross multiply
   111,692x = 240,880 × 240,880
4. Step 4: Simplify right side
   111,692x = 58,023,174,400
5. Step 5: Solve for x
   x = 58,023,174,400/111,692
6. Step 6: Final answer
   x = 519,492.66