Finding the Third Proportional to 31,518.56 and 67,496.81

Step by Step Solution

1. Step 1: Write the proportion equation
   31,518.56 : 67,496.81 = 67,496.81 : x
2. Step 2: Convert to fraction form
   31,518.56/67,496.81 = 67,496.81/x
3. Step 3: Cross multiply
   31,518.56x = 67,496.81 × 67,496.81
4. Step 4: Simplify right side
   31,518.56x = 4,555,819,697.66
5. Step 5: Solve for x
   x = 4,555,819,697.66/31,518.56
6. Step 6: Final answer
   x = 144,544.02