Finding the Third Proportional to 109,078 and 237,866

Step by Step Solution

1. Step 1: Write the proportion equation
   109,078 : 237,866 = 237,866 : x
2. Step 2: Convert to fraction form
   109,078/237,866 = 237,866/x
3. Step 3: Cross multiply
   109,078x = 237,866 × 237,866
4. Step 4: Simplify right side
   109,078x = 56,580,233,956
5. Step 5: Solve for x
   x = 56,580,233,956/109,078
6. Step 6: Final answer
   x = 518,713.53