Finding the Third Proportional to 19,842 and 30,710

Step by Step Solution

1. Step 1: Write the proportion equation
   19,842 : 30,710 = 30,710 : x
2. Step 2: Convert to fraction form
   19,842/30,710 = 30,710/x
3. Step 3: Cross multiply
   19,842x = 30,710 × 30,710
4. Step 4: Simplify right side
   19,842x = 943,104,100
5. Step 5: Solve for x
   x = 943,104,100/19,842
6. Step 6: Final answer
   x = 47,530.70