Finding the Third Proportional to 18,081 and 42,242

Step by Step Solution

1. Step 1: Write the proportion equation
   18,081 : 42,242 = 42,242 : x
2. Step 2: Convert to fraction form
   18,081/42,242 = 42,242/x
3. Step 3: Cross multiply
   18,081x = 42,242 × 42,242
4. Step 4: Simplify right side
   18,081x = 1,784,386,564
5. Step 5: Solve for x
   x = 1,784,386,564/18,081
6. Step 6: Final answer
   x = 98,688.49