Finding the Third Proportional to 67,388 and 105,706

Step by Step Solution

1. Step 1: Write the proportion equation
   67,388 : 105,706 = 105,706 : x
2. Step 2: Convert to fraction form
   67,388/105,706 = 105,706/x
3. Step 3: Cross multiply
   67,388x = 105,706 × 105,706
4. Step 4: Simplify right side
   67,388x = 11,173,758,436
5. Step 5: Solve for x
   x = 11,173,758,436/67,388
6. Step 6: Final answer
   x = 165,812.29