Finding the Third Proportional to 108,921 and 235,936.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,921 : 235,936.50 = 235,936.50 : x
2. Step 2: Convert to fraction form
   108,921/235,936.50 = 235,936.50/x
3. Step 3: Cross multiply
   108,921x = 235,936.50 × 235,936.50
4. Step 4: Simplify right side
   108,921x = 55,666,032,032.25
5. Step 5: Solve for x
   x = 55,666,032,032.25/108,921
6. Step 6: Final answer
   x = 511,067.95