Finding the Third Proportional to 18,868 and 42,602

Step by Step Solution

1. Step 1: Write the proportion equation
   18,868 : 42,602 = 42,602 : x
2. Step 2: Convert to fraction form
   18,868/42,602 = 42,602/x
3. Step 3: Cross multiply
   18,868x = 42,602 × 42,602
4. Step 4: Simplify right side
   18,868x = 1,814,930,404
5. Step 5: Solve for x
   x = 1,814,930,404/18,868
6. Step 6: Final answer
   x = 96,190.93