Finding the Third Proportional to 13,945.50 and 31,002.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,945.50 : 31,002.75 = 31,002.75 : x
2. Step 2: Convert to fraction form
   13,945.50/31,002.75 = 31,002.75/x
3. Step 3: Cross multiply
   13,945.50x = 31,002.75 × 31,002.75
4. Step 4: Simplify right side
   13,945.50x = 961,170,507.56
5. Step 5: Solve for x
   x = 961,170,507.56/13,945.50
6. Step 6: Final answer
   x = 68,923.34