Finding the Third Proportional to 31,923 and 42,700.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,923 : 42,700.50 = 42,700.50 : x
2. Step 2: Convert to fraction form
   31,923/42,700.50 = 42,700.50/x
3. Step 3: Cross multiply
   31,923x = 42,700.50 × 42,700.50
4. Step 4: Simplify right side
   31,923x = 1,823,332,700.25
5. Step 5: Solve for x
   x = 1,823,332,700.25/31,923
6. Step 6: Final answer
   x = 57,116.58