Finding the Third Proportional to 155,716 and 240,834

Step by Step Solution

1. Step 1: Write the proportion equation
   155,716 : 240,834 = 240,834 : x
2. Step 2: Convert to fraction form
   155,716/240,834 = 240,834/x
3. Step 3: Cross multiply
   155,716x = 240,834 × 240,834
4. Step 4: Simplify right side
   155,716x = 58,001,015,556
5. Step 5: Solve for x
   x = 58,001,015,556/155,716
6. Step 6: Final answer
   x = 372,479.49