Finding the Third Proportional to 31,514.06 and 67,806.56

Step by Step Solution

1. Step 1: Write the proportion equation
   31,514.06 : 67,806.56 = 67,806.56 : x
2. Step 2: Convert to fraction form
   31,514.06/67,806.56 = 67,806.56/x
3. Step 3: Cross multiply
   31,514.06x = 67,806.56 × 67,806.56
4. Step 4: Simplify right side
   31,514.06x = 4,597,729,918.07
5. Step 5: Solve for x
   x = 4,597,729,918.07/31,514.06
6. Step 6: Final answer
   x = 145,894.55