Finding the Third Proportional to 19,868 and 29,142

Step by Step Solution

1. Step 1: Write the proportion equation
   19,868 : 29,142 = 29,142 : x
2. Step 2: Convert to fraction form
   19,868/29,142 = 29,142/x
3. Step 3: Cross multiply
   19,868x = 29,142 × 29,142
4. Step 4: Simplify right side
   19,868x = 849,256,164
5. Step 5: Solve for x
   x = 849,256,164/19,868
6. Step 6: Final answer
   x = 42,744.92