Finding the Third Proportional to 19,930 and 42,722

Step by Step Solution

1. Step 1: Write the proportion equation
   19,930 : 42,722 = 42,722 : x
2. Step 2: Convert to fraction form
   19,930/42,722 = 42,722/x
3. Step 3: Cross multiply
   19,930x = 42,722 × 42,722
4. Step 4: Simplify right side
   19,930x = 1,825,169,284
5. Step 5: Solve for x
   x = 1,825,169,284/19,930
6. Step 6: Final answer
   x = 91,578.99