Finding the Third Proportional to 111,636 and 240,763.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,636 : 240,763.50 = 240,763.50 : x
2. Step 2: Convert to fraction form
   111,636/240,763.50 = 240,763.50/x
3. Step 3: Cross multiply
   111,636x = 240,763.50 × 240,763.50
4. Step 4: Simplify right side
   111,636x = 57,967,062,932.25
5. Step 5: Solve for x
   x = 57,967,062,932.25/111,636
6. Step 6: Final answer
   x = 519,250.63