Finding the Third Proportional to 71,450 and 105,110

Step by Step Solution

1. Step 1: Write the proportion equation
   71,450 : 105,110 = 105,110 : x
2. Step 2: Convert to fraction form
   71,450/105,110 = 105,110/x
3. Step 3: Cross multiply
   71,450x = 105,110 × 105,110
4. Step 4: Simplify right side
   71,450x = 11,048,112,100
5. Step 5: Solve for x
   x = 11,048,112,100/71,450
6. Step 6: Final answer
   x = 154,627.18