Finding the Third Proportional to 67,699 and 105,249

Step by Step Solution

1. Step 1: Write the proportion equation
   67,699 : 105,249 = 105,249 : x
2. Step 2: Convert to fraction form
   67,699/105,249 = 105,249/x
3. Step 3: Cross multiply
   67,699x = 105,249 × 105,249
4. Step 4: Simplify right side
   67,699x = 11,077,352,001
5. Step 5: Solve for x
   x = 11,077,352,001/67,699
6. Step 6: Final answer
   x = 163,626.52