Finding the Third Proportional to 111,382.50 and 240,153

Step by Step Solution

1. Step 1: Write the proportion equation
   111,382.50 : 240,153 = 240,153 : x
2. Step 2: Convert to fraction form
   111,382.50/240,153 = 240,153/x
3. Step 3: Cross multiply
   111,382.50x = 240,153 × 240,153
4. Step 4: Simplify right side
   111,382.50x = 57,673,463,409
5. Step 5: Solve for x
   x = 57,673,463,409/111,382.50
6. Step 6: Final answer
   x = 517,796.45