Finding the Third Proportional to 47,384.25 and 78,960.75

Step by Step Solution

1. Step 1: Write the proportion equation
   47,384.25 : 78,960.75 = 78,960.75 : x
2. Step 2: Convert to fraction form
   47,384.25/78,960.75 = 78,960.75/x
3. Step 3: Cross multiply
   47,384.25x = 78,960.75 × 78,960.75
4. Step 4: Simplify right side
   47,384.25x = 6,234,800,040.56
5. Step 5: Solve for x
   x = 6,234,800,040.56/47,384.25
6. Step 6: Final answer
   x = 131,579.59