Finding the Third Proportional to 117,885 and 241,216.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,885 : 241,216.50 = 241,216.50 : x
2. Step 2: Convert to fraction form
   117,885/241,216.50 = 241,216.50/x
3. Step 3: Cross multiply
   117,885x = 241,216.50 × 241,216.50
4. Step 4: Simplify right side
   117,885x = 58,185,399,872.25
5. Step 5: Solve for x
   x = 58,185,399,872.25/117,885
6. Step 6: Final answer
   x = 493,577.64