Finding the Third Proportional to 109,493 and 240,538

Step by Step Solution

1. Step 1: Write the proportion equation
   109,493 : 240,538 = 240,538 : x
2. Step 2: Convert to fraction form
   109,493/240,538 = 240,538/x
3. Step 3: Cross multiply
   109,493x = 240,538 × 240,538
4. Step 4: Simplify right side
   109,493x = 57,858,529,444
5. Step 5: Solve for x
   x = 57,858,529,444/109,493
6. Step 6: Final answer
   x = 528,422.18