Finding the Third Proportional to 7,165.69 and 10,856.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,165.69 : 10,856.72 = 10,856.72 : x
2. Step 2: Convert to fraction form
   7,165.69/10,856.72 = 10,856.72/x
3. Step 3: Cross multiply
   7,165.69x = 10,856.72 × 10,856.72
4. Step 4: Simplify right side
   7,165.69x = 117,868,342.02
5. Step 5: Solve for x
   x = 117,868,342.02/7,165.69
6. Step 6: Final answer
   x = 16,448.99