Finding the Third Proportional to 114,858 and 243,354.25

Step by Step Solution

1. Step 1: Write the proportion equation
   114,858 : 243,354.25 = 243,354.25 : x
2. Step 2: Convert to fraction form
   114,858/243,354.25 = 243,354.25/x
3. Step 3: Cross multiply
   114,858x = 243,354.25 × 243,354.25
4. Step 4: Simplify right side
   114,858x = 59,221,290,993.06
5. Step 5: Solve for x
   x = 59,221,290,993.06/114,858
6. Step 6: Final answer
   x = 515,604.41