Finding the Third Proportional to 33,921 and 73,870

Step by Step Solution

1. Step 1: Write the proportion equation
   33,921 : 73,870 = 73,870 : x
2. Step 2: Convert to fraction form
   33,921/73,870 = 73,870/x
3. Step 3: Cross multiply
   33,921x = 73,870 × 73,870
4. Step 4: Simplify right side
   33,921x = 5,456,776,900
5. Step 5: Solve for x
   x = 5,456,776,900/33,921
6. Step 6: Final answer
   x = 160,867.22