Finding the Third Proportional to 18,424 and 42,274

Step by Step Solution

1. Step 1: Write the proportion equation
   18,424 : 42,274 = 42,274 : x
2. Step 2: Convert to fraction form
   18,424/42,274 = 42,274/x
3. Step 3: Cross multiply
   18,424x = 42,274 × 42,274
4. Step 4: Simplify right side
   18,424x = 1,787,091,076
5. Step 5: Solve for x
   x = 1,787,091,076/18,424
6. Step 6: Final answer
   x = 96,998.00