Finding the Third Proportional to 67,570 and 105,989

Step by Step Solution

1. Step 1: Write the proportion equation
   67,570 : 105,989 = 105,989 : x
2. Step 2: Convert to fraction form
   67,570/105,989 = 105,989/x
3. Step 3: Cross multiply
   67,570x = 105,989 × 105,989
4. Step 4: Simplify right side
   67,570x = 11,233,668,121
5. Step 5: Solve for x
   x = 11,233,668,121/67,570
6. Step 6: Final answer
   x = 166,252.30