Finding the Third Proportional to 31,341 and 67,054.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,341 : 67,054.75 = 67,054.75 : x
2. Step 2: Convert to fraction form
   31,341/67,054.75 = 67,054.75/x
3. Step 3: Cross multiply
   31,341x = 67,054.75 × 67,054.75
4. Step 4: Simplify right side
   31,341x = 4,496,339,497.56
5. Step 5: Solve for x
   x = 4,496,339,497.56/31,341
6. Step 6: Final answer
   x = 143,465.09