Finding the Third Proportional to 20,142 and 28,898

Step by Step Solution

1. Step 1: Write the proportion equation
   20,142 : 28,898 = 28,898 : x
2. Step 2: Convert to fraction form
   20,142/28,898 = 28,898/x
3. Step 3: Cross multiply
   20,142x = 28,898 × 28,898
4. Step 4: Simplify right side
   20,142x = 835,094,404
5. Step 5: Solve for x
   x = 835,094,404/20,142
6. Step 6: Final answer
   x = 41,460.35