Finding the Third Proportional to 10,878.05 and 16,315.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,878.05 : 16,315.17 = 16,315.17 : x
2. Step 2: Convert to fraction form
   10,878.05/16,315.17 = 16,315.17/x
3. Step 3: Cross multiply
   10,878.05x = 16,315.17 × 16,315.17
4. Step 4: Simplify right side
   10,878.05x = 266,184,833.31
5. Step 5: Solve for x
   x = 266,184,833.31/10,878.05
6. Step 6: Final answer
   x = 24,469.91