Finding the Third Proportional to 108,185.50 and 234,618.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,185.50 : 234,618.50 = 234,618.50 : x
2. Step 2: Convert to fraction form
   108,185.50/234,618.50 = 234,618.50/x
3. Step 3: Cross multiply
   108,185.50x = 234,618.50 × 234,618.50
4. Step 4: Simplify right side
   108,185.50x = 55,045,840,542.25
5. Step 5: Solve for x
   x = 55,045,840,542.25/108,185.50
6. Step 6: Final answer
   x = 508,809.78