Finding the Third Proportional to 14,257 and 31,308.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,257 : 31,308.50 = 31,308.50 : x
2. Step 2: Convert to fraction form
   14,257/31,308.50 = 31,308.50/x
3. Step 3: Cross multiply
   14,257x = 31,308.50 × 31,308.50
4. Step 4: Simplify right side
   14,257x = 980,222,172.25
5. Step 5: Solve for x
   x = 980,222,172.25/14,257
6. Step 6: Final answer
   x = 68,753.75