Finding the Third Proportional to 111,378 and 233,700

Step by Step Solution

1. Step 1: Write the proportion equation
   111,378 : 233,700 = 233,700 : x
2. Step 2: Convert to fraction form
   111,378/233,700 = 233,700/x
3. Step 3: Cross multiply
   111,378x = 233,700 × 233,700
4. Step 4: Simplify right side
   111,378x = 54,615,690,000
5. Step 5: Solve for x
   x = 54,615,690,000/111,378
6. Step 6: Final answer
   x = 490,363.36