Finding the Third Proportional to 41,836.50 and 64,678.50

Step by Step Solution

1. Step 1: Write the proportion equation
   41,836.50 : 64,678.50 = 64,678.50 : x
2. Step 2: Convert to fraction form
   41,836.50/64,678.50 = 64,678.50/x
3. Step 3: Cross multiply
   41,836.50x = 64,678.50 × 64,678.50
4. Step 4: Simplify right side
   41,836.50x = 4,183,308,362.25
5. Step 5: Solve for x
   x = 4,183,308,362.25/41,836.50
6. Step 6: Final answer
   x = 99,991.83