Finding the Third Proportional to 31,049.42 and 67,016.74

Step by Step Solution

1. Step 1: Write the proportion equation
   31,049.42 : 67,016.74 = 67,016.74 : x
2. Step 2: Convert to fraction form
   31,049.42/67,016.74 = 67,016.74/x
3. Step 3: Cross multiply
   31,049.42x = 67,016.74 × 67,016.74
4. Step 4: Simplify right side
   31,049.42x = 4,491,243,733.43
5. Step 5: Solve for x
   x = 4,491,243,733.43/31,049.42
6. Step 6: Final answer
   x = 144,648.23