Finding the Third Proportional to 18,076 and 42,230

Step by Step Solution

1. Step 1: Write the proportion equation
   18,076 : 42,230 = 42,230 : x
2. Step 2: Convert to fraction form
   18,076/42,230 = 42,230/x
3. Step 3: Cross multiply
   18,076x = 42,230 × 42,230
4. Step 4: Simplify right side
   18,076x = 1,783,372,900
5. Step 5: Solve for x
   x = 1,783,372,900/18,076
6. Step 6: Final answer
   x = 98,659.71