Finding the Third Proportional to 155,766 and 240,546

Step by Step Solution

1. Step 1: Write the proportion equation
   155,766 : 240,546 = 240,546 : x
2. Step 2: Convert to fraction form
   155,766/240,546 = 240,546/x
3. Step 3: Cross multiply
   155,766x = 240,546 × 240,546
4. Step 4: Simplify right side
   155,766x = 57,862,378,116
5. Step 5: Solve for x
   x = 57,862,378,116/155,766
6. Step 6: Final answer
   x = 371,469.89