Finding the Third Proportional to 13,830.75 and 30,105

Step by Step Solution

1. Step 1: Write the proportion equation
   13,830.75 : 30,105 = 30,105 : x
2. Step 2: Convert to fraction form
   13,830.75/30,105 = 30,105/x
3. Step 3: Cross multiply
   13,830.75x = 30,105 × 30,105
4. Step 4: Simplify right side
   13,830.75x = 906,311,025
5. Step 5: Solve for x
   x = 906,311,025/13,830.75
6. Step 6: Final answer
   x = 65,528.70