Finding the Third Proportional to 9,290 and 14,087

Step by Step Solution

1. Step 1: Write the proportion equation
   9,290 : 14,087 = 14,087 : x
2. Step 2: Convert to fraction form
   9,290/14,087 = 14,087/x
3. Step 3: Cross multiply
   9,290x = 14,087 × 14,087
4. Step 4: Simplify right side
   9,290x = 198,443,569
5. Step 5: Solve for x
   x = 198,443,569/9,290
6. Step 6: Final answer
   x = 21,360.99