Finding the Third Proportional to 9,106 and 13,987

Step by Step Solution

1. Step 1: Write the proportion equation
   9,106 : 13,987 = 13,987 : x
2. Step 2: Convert to fraction form
   9,106/13,987 = 13,987/x
3. Step 3: Cross multiply
   9,106x = 13,987 × 13,987
4. Step 4: Simplify right side
   9,106x = 195,636,169
5. Step 5: Solve for x
   x = 195,636,169/9,106
6. Step 6: Final answer
   x = 21,484.31