Finding the Third Proportional to 14,678.50 and 31,751

Step by Step Solution

1. Step 1: Write the proportion equation
   14,678.50 : 31,751 = 31,751 : x
2. Step 2: Convert to fraction form
   14,678.50/31,751 = 31,751/x
3. Step 3: Cross multiply
   14,678.50x = 31,751 × 31,751
4. Step 4: Simplify right side
   14,678.50x = 1,008,126,001
5. Step 5: Solve for x
   x = 1,008,126,001/14,678.50
6. Step 6: Final answer
   x = 68,680.45