Finding the Third Proportional to 41,672.81 and 64,544.34

Step by Step Solution

1. Step 1: Write the proportion equation
   41,672.81 : 64,544.34 = 64,544.34 : x
2. Step 2: Convert to fraction form
   41,672.81/64,544.34 = 64,544.34/x
3. Step 3: Cross multiply
   41,672.81x = 64,544.34 × 64,544.34
4. Step 4: Simplify right side
   41,672.81x = 4,165,972,310.12
5. Step 5: Solve for x
   x = 4,165,972,310.12/41,672.81
6. Step 6: Final answer
   x = 99,968.59