Finding the Third Proportional to 10,274.50 and 14,682.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,274.50 : 14,682.50 = 14,682.50 : x
2. Step 2: Convert to fraction form
   10,274.50/14,682.50 = 14,682.50/x
3. Step 3: Cross multiply
   10,274.50x = 14,682.50 × 14,682.50
4. Step 4: Simplify right side
   10,274.50x = 215,575,806.25
5. Step 5: Solve for x
   x = 215,575,806.25/10,274.50
6. Step 6: Final answer
   x = 20,981.63