Finding the Third Proportional to 108,619.50 and 230,349

Step by Step Solution

1. Step 1: Write the proportion equation
   108,619.50 : 230,349 = 230,349 : x
2. Step 2: Convert to fraction form
   108,619.50/230,349 = 230,349/x
3. Step 3: Cross multiply
   108,619.50x = 230,349 × 230,349
4. Step 4: Simplify right side
   108,619.50x = 53,060,661,801
5. Step 5: Solve for x
   x = 53,060,661,801/108,619.50
6. Step 6: Final answer
   x = 488,500.33