Finding the Third Proportional to 31,606.88 and 71,982.69

Step by Step Solution

1. Step 1: Write the proportion equation
   31,606.88 : 71,982.69 = 71,982.69 : x
2. Step 2: Convert to fraction form
   31,606.88/71,982.69 = 71,982.69/x
3. Step 3: Cross multiply
   31,606.88x = 71,982.69 × 71,982.69
4. Step 4: Simplify right side
   31,606.88x = 5,181,507,299.72
5. Step 5: Solve for x
   x = 5,181,507,299.72/31,606.88
6. Step 6: Final answer
   x = 163,936.08