Finding the Third Proportional to 40,020 and 54,174

Step by Step Solution

1. Step 1: Write the proportion equation
   40,020 : 54,174 = 54,174 : x
2. Step 2: Convert to fraction form
   40,020/54,174 = 54,174/x
3. Step 3: Cross multiply
   40,020x = 54,174 × 54,174
4. Step 4: Simplify right side
   40,020x = 2,934,822,276
5. Step 5: Solve for x
   x = 2,934,822,276/40,020
6. Step 6: Final answer
   x = 73,333.89