Finding the Third Proportional to 51,172.50 and 111,086.25

Step by Step Solution

1. Step 1: Write the proportion equation
   51,172.50 : 111,086.25 = 111,086.25 : x
2. Step 2: Convert to fraction form
   51,172.50/111,086.25 = 111,086.25/x
3. Step 3: Cross multiply
   51,172.50x = 111,086.25 × 111,086.25
4. Step 4: Simplify right side
   51,172.50x = 12,340,154,939.06
5. Step 5: Solve for x
   x = 12,340,154,939.06/51,172.50
6. Step 6: Final answer
   x = 241,148.17