Finding the Third Proportional to 47,279 and 72,174

Step by Step Solution

1. Step 1: Write the proportion equation
   47,279 : 72,174 = 72,174 : x
2. Step 2: Convert to fraction form
   47,279/72,174 = 72,174/x
3. Step 3: Cross multiply
   47,279x = 72,174 × 72,174
4. Step 4: Simplify right side
   47,279x = 5,209,086,276
5. Step 5: Solve for x
   x = 5,209,086,276/47,279
6. Step 6: Final answer
   x = 110,177.59