Finding the Third Proportional to 111,681 and 238,944

Step by Step Solution

1. Step 1: Write the proportion equation
   111,681 : 238,944 = 238,944 : x
2. Step 2: Convert to fraction form
   111,681/238,944 = 238,944/x
3. Step 3: Cross multiply
   111,681x = 238,944 × 238,944
4. Step 4: Simplify right side
   111,681x = 57,094,235,136
5. Step 5: Solve for x
   x = 57,094,235,136/111,681
6. Step 6: Final answer
   x = 511,226.04