Finding the Third Proportional to 19,876.50 and 27,861.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,876.50 : 27,861.75 = 27,861.75 : x
2. Step 2: Convert to fraction form
   19,876.50/27,861.75 = 27,861.75/x
3. Step 3: Cross multiply
   19,876.50x = 27,861.75 × 27,861.75
4. Step 4: Simplify right side
   19,876.50x = 776,277,113.06
5. Step 5: Solve for x
   x = 776,277,113.06/19,876.50
6. Step 6: Final answer
   x = 39,055.02