Finding the Third Proportional to 19,840 and 30,707

Step by Step Solution

1. Step 1: Write the proportion equation
   19,840 : 30,707 = 30,707 : x
2. Step 2: Convert to fraction form
   19,840/30,707 = 30,707/x
3. Step 3: Cross multiply
   19,840x = 30,707 × 30,707
4. Step 4: Simplify right side
   19,840x = 942,919,849
5. Step 5: Solve for x
   x = 942,919,849/19,840
6. Step 6: Final answer
   x = 47,526.20