Finding the Third Proportional to 71,212 and 111,706

Step by Step Solution

1. Step 1: Write the proportion equation
   71,212 : 111,706 = 111,706 : x
2. Step 2: Convert to fraction form
   71,212/111,706 = 111,706/x
3. Step 3: Cross multiply
   71,212x = 111,706 × 111,706
4. Step 4: Simplify right side
   71,212x = 12,478,230,436
5. Step 5: Solve for x
   x = 12,478,230,436/71,212
6. Step 6: Final answer
   x = 175,226.51