Finding the Third Proportional to 71,244.69 and 111,180.31

Step by Step Solution

1. Step 1: Write the proportion equation
   71,244.69 : 111,180.31 = 111,180.31 : x
2. Step 2: Convert to fraction form
   71,244.69/111,180.31 = 111,180.31/x
3. Step 3: Cross multiply
   71,244.69x = 111,180.31 × 111,180.31
4. Step 4: Simplify right side
   71,244.69x = 12,361,061,887.60
5. Step 5: Solve for x
   x = 12,361,061,887.60/71,244.69
6. Step 6: Final answer
   x = 173,501.52