Finding the Third Proportional to 43,287.75 and 67,665.38

Step by Step Solution

1. Step 1: Write the proportion equation
   43,287.75 : 67,665.38 = 67,665.38 : x
2. Step 2: Convert to fraction form
   43,287.75/67,665.38 = 67,665.38/x
3. Step 3: Cross multiply
   43,287.75x = 67,665.38 × 67,665.38
4. Step 4: Simplify right side
   43,287.75x = 4,578,602,973.89
5. Step 5: Solve for x
   x = 4,578,602,973.89/43,287.75
6. Step 6: Final answer
   x = 105,771.33