Finding the Third Proportional to 111,909.50 and 241,692

Step by Step Solution

1. Step 1: Write the proportion equation
   111,909.50 : 241,692 = 241,692 : x
2. Step 2: Convert to fraction form
   111,909.50/241,692 = 241,692/x
3. Step 3: Cross multiply
   111,909.50x = 241,692 × 241,692
4. Step 4: Simplify right side
   111,909.50x = 58,415,022,864
5. Step 5: Solve for x
   x = 58,415,022,864/111,909.50
6. Step 6: Final answer
   x = 521,984.49