Finding the Third Proportional to 108,669 and 230,419.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,669 : 230,419.50 = 230,419.50 : x
2. Step 2: Convert to fraction form
   108,669/230,419.50 = 230,419.50/x
3. Step 3: Cross multiply
   108,669x = 230,419.50 × 230,419.50
4. Step 4: Simplify right side
   108,669x = 53,093,145,980.25
5. Step 5: Solve for x
   x = 53,093,145,980.25/108,669
6. Step 6: Final answer
   x = 488,576.74