Finding the Third Proportional to 79,976.25 and 175,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,976.25 : 175,018.50 = 175,018.50 : x
2. Step 2: Convert to fraction form
   79,976.25/175,018.50 = 175,018.50/x
3. Step 3: Cross multiply
   79,976.25x = 175,018.50 × 175,018.50
4. Step 4: Simplify right side
   79,976.25x = 30,631,475,342.25
5. Step 5: Solve for x
   x = 30,631,475,342.25/79,976.25
6. Step 6: Final answer
   x = 383,007.15