Finding the Third Proportional to 155,979 and 231,674.25

Step by Step Solution

1. Step 1: Write the proportion equation
   155,979 : 231,674.25 = 231,674.25 : x
2. Step 2: Convert to fraction form
   155,979/231,674.25 = 231,674.25/x
3. Step 3: Cross multiply
   155,979x = 231,674.25 × 231,674.25
4. Step 4: Simplify right side
   155,979x = 53,672,958,113.06
5. Step 5: Solve for x
   x = 53,672,958,113.06/155,979
6. Step 6: Final answer
   x = 344,103.75