Finding the Third Proportional to 111,772 and 240,968

Step by Step Solution

1. Step 1: Write the proportion equation
   111,772 : 240,968 = 240,968 : x
2. Step 2: Convert to fraction form
   111,772/240,968 = 240,968/x
3. Step 3: Cross multiply
   111,772x = 240,968 × 240,968
4. Step 4: Simplify right side
   111,772x = 58,065,577,024
5. Step 5: Solve for x
   x = 58,065,577,024/111,772
6. Step 6: Final answer
   x = 519,500.21