Finding the Third Proportional to 67,616 and 105,109

Step by Step Solution

1. Step 1: Write the proportion equation
   67,616 : 105,109 = 105,109 : x
2. Step 2: Convert to fraction form
   67,616/105,109 = 105,109/x
3. Step 3: Cross multiply
   67,616x = 105,109 × 105,109
4. Step 4: Simplify right side
   67,616x = 11,047,901,881
5. Step 5: Solve for x
   x = 11,047,901,881/67,616
6. Step 6: Final answer
   x = 163,391.83