Finding the Third Proportional to 13,842 and 19,710

Step by Step Solution

1. Step 1: Write the proportion equation
   13,842 : 19,710 = 19,710 : x
2. Step 2: Convert to fraction form
   13,842/19,710 = 19,710/x
3. Step 3: Cross multiply
   13,842x = 19,710 × 19,710
4. Step 4: Simplify right side
   13,842x = 388,484,100
5. Step 5: Solve for x
   x = 388,484,100/13,842
6. Step 6: Final answer
   x = 28,065.60