Finding the Third Proportional to 109,872 and 237,240

Step by Step Solution

1. Step 1: Write the proportion equation
   109,872 : 237,240 = 237,240 : x
2. Step 2: Convert to fraction form
   109,872/237,240 = 237,240/x
3. Step 3: Cross multiply
   109,872x = 237,240 × 237,240
4. Step 4: Simplify right side
   109,872x = 56,282,817,600
5. Step 5: Solve for x
   x = 56,282,817,600/109,872
6. Step 6: Final answer
   x = 512,258.06