Finding the Third Proportional to 13,960.69 and 30,431.53

Step by Step Solution

1. Step 1: Write the proportion equation
   13,960.69 : 30,431.53 = 30,431.53 : x
2. Step 2: Convert to fraction form
   13,960.69/30,431.53 = 30,431.53/x
3. Step 3: Cross multiply
   13,960.69x = 30,431.53 × 30,431.53
4. Step 4: Simplify right side
   13,960.69x = 926,078,094.22
5. Step 5: Solve for x
   x = 926,078,094.22/13,960.69
6. Step 6: Final answer
   x = 66,334.71