Finding the Third Proportional to 67,857.75 and 74,008.69

Step by Step Solution

1. Step 1: Write the proportion equation
   67,857.75 : 74,008.69 = 74,008.69 : x
2. Step 2: Convert to fraction form
   67,857.75/74,008.69 = 74,008.69/x
3. Step 3: Cross multiply
   67,857.75x = 74,008.69 × 74,008.69
4. Step 4: Simplify right side
   67,857.75x = 5,477,285,825.47
5. Step 5: Solve for x
   x = 5,477,285,825.47/67,857.75
6. Step 6: Final answer
   x = 80,717.17