Finding the Third Proportional to 115,016.50 and 251,356

Step by Step Solution

1. Step 1: Write the proportion equation
   115,016.50 : 251,356 = 251,356 : x
2. Step 2: Convert to fraction form
   115,016.50/251,356 = 251,356/x
3. Step 3: Cross multiply
   115,016.50x = 251,356 × 251,356
4. Step 4: Simplify right side
   115,016.50x = 63,179,838,736
5. Step 5: Solve for x
   x = 63,179,838,736/115,016.50
6. Step 6: Final answer
   x = 549,311.09