Finding the Third Proportional to 27,178 and 42,006

Step by Step Solution

1. Step 1: Write the proportion equation
   27,178 : 42,006 = 42,006 : x
2. Step 2: Convert to fraction form
   27,178/42,006 = 42,006/x
3. Step 3: Cross multiply
   27,178x = 42,006 × 42,006
4. Step 4: Simplify right side
   27,178x = 1,764,504,036
5. Step 5: Solve for x
   x = 1,764,504,036/27,178
6. Step 6: Final answer
   x = 64,923.98