Finding the Third Proportional to 43,400 and 65,469

Step by Step Solution

1. Step 1: Write the proportion equation
   43,400 : 65,469 = 65,469 : x
2. Step 2: Convert to fraction form
   43,400/65,469 = 65,469/x
3. Step 3: Cross multiply
   43,400x = 65,469 × 65,469
4. Step 4: Simplify right side
   43,400x = 4,286,189,961
5. Step 5: Solve for x
   x = 4,286,189,961/43,400
6. Step 6: Final answer
   x = 98,760.14