Finding the Third Proportional to 14,235.75 and 31,143.38

Step by Step Solution

1. Step 1: Write the proportion equation
   14,235.75 : 31,143.38 = 31,143.38 : x
2. Step 2: Convert to fraction form
   14,235.75/31,143.38 = 31,143.38/x
3. Step 3: Cross multiply
   14,235.75x = 31,143.38 × 31,143.38
4. Step 4: Simplify right side
   14,235.75x = 969,909,806.39
5. Step 5: Solve for x
   x = 969,909,806.39/14,235.75
6. Step 6: Final answer
   x = 68,131.98