Finding the Third Proportional to 47,728 and 73,392

Step by Step Solution

1. Step 1: Write the proportion equation
   47,728 : 73,392 = 73,392 : x
2. Step 2: Convert to fraction form
   47,728/73,392 = 73,392/x
3. Step 3: Cross multiply
   47,728x = 73,392 × 73,392
4. Step 4: Simplify right side
   47,728x = 5,386,385,664
5. Step 5: Solve for x
   x = 5,386,385,664/47,728
6. Step 6: Final answer
   x = 112,855.88