Finding the Third Proportional to 14,930.25 and 31,479.75

Step by Step Solution

1. Step 1: Write the proportion equation
   14,930.25 : 31,479.75 = 31,479.75 : x
2. Step 2: Convert to fraction form
   14,930.25/31,479.75 = 31,479.75/x
3. Step 3: Cross multiply
   14,930.25x = 31,479.75 × 31,479.75
4. Step 4: Simplify right side
   14,930.25x = 990,974,660.06
5. Step 5: Solve for x
   x = 990,974,660.06/14,930.25
6. Step 6: Final answer
   x = 66,373.61