Finding the Third Proportional to 71,247.75 and 111,185.25

Step by Step Solution

1. Step 1: Write the proportion equation
   71,247.75 : 111,185.25 = 111,185.25 : x
2. Step 2: Convert to fraction form
   71,247.75/111,185.25 = 111,185.25/x
3. Step 3: Cross multiply
   71,247.75x = 111,185.25 × 111,185.25
4. Step 4: Simplify right side
   71,247.75x = 12,362,159,817.56
5. Step 5: Solve for x
   x = 12,362,159,817.56/71,247.75
6. Step 6: Final answer
   x = 173,509.48