Finding the Third Proportional to 111,871.13 and 241,609.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,871.13 : 241,609.50 = 241,609.50 : x
2. Step 2: Convert to fraction form
   111,871.13/241,609.50 = 241,609.50/x
3. Step 3: Cross multiply
   111,871.13x = 241,609.50 × 241,609.50
4. Step 4: Simplify right side
   111,871.13x = 58,375,150,490.25
5. Step 5: Solve for x
   x = 58,375,150,490.25/111,871.13
6. Step 6: Final answer
   x = 521,807.13