Finding the Third Proportional to 47,718 and 73,380

Step by Step Solution

1. Step 1: Write the proportion equation
   47,718 : 73,380 = 73,380 : x
2. Step 2: Convert to fraction form
   47,718/73,380 = 73,380/x
3. Step 3: Cross multiply
   47,718x = 73,380 × 73,380
4. Step 4: Simplify right side
   47,718x = 5,384,624,400
5. Step 5: Solve for x
   x = 5,384,624,400/47,718
6. Step 6: Final answer
   x = 112,842.63