Finding the Third Proportional to 19,105.50 and 40,670.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,105.50 : 40,670.50 = 40,670.50 : x
2. Step 2: Convert to fraction form
   19,105.50/40,670.50 = 40,670.50/x
3. Step 3: Cross multiply
   19,105.50x = 40,670.50 × 40,670.50
4. Step 4: Simplify right side
   19,105.50x = 1,654,089,570.25
5. Step 5: Solve for x
   x = 1,654,089,570.25/19,105.50
6. Step 6: Final answer
   x = 86,576.62