Finding the Third Proportional to 67,620 and 105,116

Step by Step Solution

1. Step 1: Write the proportion equation
   67,620 : 105,116 = 105,116 : x
2. Step 2: Convert to fraction form
   67,620/105,116 = 105,116/x
3. Step 3: Cross multiply
   67,620x = 105,116 × 105,116
4. Step 4: Simplify right side
   67,620x = 11,049,373,456
5. Step 5: Solve for x
   x = 11,049,373,456/67,620
6. Step 6: Final answer
   x = 163,403.93