Finding the Third Proportional to 13,758.50 and 30,144.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,758.50 : 30,144.50 = 30,144.50 : x
2. Step 2: Convert to fraction form
   13,758.50/30,144.50 = 30,144.50/x
3. Step 3: Cross multiply
   13,758.50x = 30,144.50 × 30,144.50
4. Step 4: Simplify right side
   13,758.50x = 908,690,880.25
5. Step 5: Solve for x
   x = 908,690,880.25/13,758.50
6. Step 6: Final answer
   x = 66,045.78