Finding the Third Proportional to 19,513.41 and 27,886.78

Step by Step Solution

1. Step 1: Write the proportion equation
   19,513.41 : 27,886.78 = 27,886.78 : x
2. Step 2: Convert to fraction form
   19,513.41/27,886.78 = 27,886.78/x
3. Step 3: Cross multiply
   19,513.41x = 27,886.78 × 27,886.78
4. Step 4: Simplify right side
   19,513.41x = 777,672,568.49
5. Step 5: Solve for x
   x = 777,672,568.49/19,513.41
6. Step 6: Final answer
   x = 39,853.25