Finding the Third Proportional to 19,912 and 30,561

Step by Step Solution

1. Step 1: Write the proportion equation
   19,912 : 30,561 = 30,561 : x
2. Step 2: Convert to fraction form
   19,912/30,561 = 30,561/x
3. Step 3: Cross multiply
   19,912x = 30,561 × 30,561
4. Step 4: Simplify right side
   19,912x = 933,974,721
5. Step 5: Solve for x
   x = 933,974,721/19,912
6. Step 6: Final answer
   x = 46,905.12