Finding the Third Proportional to 19,867.78 and 41,353.03

Step by Step Solution

1. Step 1: Write the proportion equation
   19,867.78 : 41,353.03 = 41,353.03 : x
2. Step 2: Convert to fraction form
   19,867.78/41,353.03 = 41,353.03/x
3. Step 3: Cross multiply
   19,867.78x = 41,353.03 × 41,353.03
4. Step 4: Simplify right side
   19,867.78x = 1,710,073,193.56
5. Step 5: Solve for x
   x = 1,710,073,193.56/19,867.78
6. Step 6: Final answer
   x = 86,072.68