Finding the Third Proportional to 10,881.84 and 16,861.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,881.84 : 16,861.92 = 16,861.92 : x
2. Step 2: Convert to fraction form
   10,881.84/16,861.92 = 16,861.92/x
3. Step 3: Cross multiply
   10,881.84x = 16,861.92 × 16,861.92
4. Step 4: Simplify right side
   10,881.84x = 284,324,409.32
5. Step 5: Solve for x
   x = 284,324,409.32/10,881.84
6. Step 6: Final answer
   x = 26,128.33