Finding the Third Proportional to 108,685.50 and 235,456.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,685.50 : 235,456.50 = 235,456.50 : x
2. Step 2: Convert to fraction form
   108,685.50/235,456.50 = 235,456.50/x
3. Step 3: Cross multiply
   108,685.50x = 235,456.50 × 235,456.50
4. Step 4: Simplify right side
   108,685.50x = 55,439,763,392.25
5. Step 5: Solve for x
   x = 55,439,763,392.25/108,685.50
6. Step 6: Final answer
   x = 510,093.47