Finding the Third Proportional to 12,748.50 and 14,085

Step by Step Solution

1. Step 1: Write the proportion equation
   12,748.50 : 14,085 = 14,085 : x
2. Step 2: Convert to fraction form
   12,748.50/14,085 = 14,085/x
3. Step 3: Cross multiply
   12,748.50x = 14,085 × 14,085
4. Step 4: Simplify right side
   12,748.50x = 198,387,225
5. Step 5: Solve for x
   x = 198,387,225/12,748.50
6. Step 6: Final answer
   x = 15,561.61