Finding the Third Proportional to 47,172 and 73,230

Step by Step Solution

1. Step 1: Write the proportion equation
   47,172 : 73,230 = 73,230 : x
2. Step 2: Convert to fraction form
   47,172/73,230 = 73,230/x
3. Step 3: Cross multiply
   47,172x = 73,230 × 73,230
4. Step 4: Simplify right side
   47,172x = 5,362,632,900
5. Step 5: Solve for x
   x = 5,362,632,900/47,172
6. Step 6: Final answer
   x = 113,682.54