Finding the Third Proportional to 14,815.50 and 31,819.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,815.50 : 31,819.50 = 31,819.50 : x
2. Step 2: Convert to fraction form
   14,815.50/31,819.50 = 31,819.50/x
3. Step 3: Cross multiply
   14,815.50x = 31,819.50 × 31,819.50
4. Step 4: Simplify right side
   14,815.50x = 1,012,480,580.25
5. Step 5: Solve for x
   x = 1,012,480,580.25/14,815.50
6. Step 6: Final answer
   x = 68,339.28