Finding the Third Proportional to 8,087.91 and 10,890.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,087.91 : 10,890.28 = 10,890.28 : x
2. Step 2: Convert to fraction form
   8,087.91/10,890.28 = 10,890.28/x
3. Step 3: Cross multiply
   8,087.91x = 10,890.28 × 10,890.28
4. Step 4: Simplify right side
   8,087.91x = 118,598,225.70
5. Step 5: Solve for x
   x = 118,598,225.70/8,087.91
6. Step 6: Final answer
   x = 14,663.65