Finding the Third Proportional to 9,808 and 13,791

Step by Step Solution

1. Step 1: Write the proportion equation
   9,808 : 13,791 = 13,791 : x
2. Step 2: Convert to fraction form
   9,808/13,791 = 13,791/x
3. Step 3: Cross multiply
   9,808x = 13,791 × 13,791
4. Step 4: Simplify right side
   9,808x = 190,191,681
5. Step 5: Solve for x
   x = 190,191,681/9,808
6. Step 6: Final answer
   x = 19,391.48