Finding the Third Proportional to 14,728.50 and 31,806

Step by Step Solution

1. Step 1: Write the proportion equation
   14,728.50 : 31,806 = 31,806 : x
2. Step 2: Convert to fraction form
   14,728.50/31,806 = 31,806/x
3. Step 3: Cross multiply
   14,728.50x = 31,806 × 31,806
4. Step 4: Simplify right side
   14,728.50x = 1,011,621,636
5. Step 5: Solve for x
   x = 1,011,621,636/14,728.50
6. Step 6: Final answer
   x = 68,684.63