Finding the Third Proportional to 108,687 and 231,818.25

Step by Step Solution

1. Step 1: Write the proportion equation
   108,687 : 231,818.25 = 231,818.25 : x
2. Step 2: Convert to fraction form
   108,687/231,818.25 = 231,818.25/x
3. Step 3: Cross multiply
   108,687x = 231,818.25 × 231,818.25
4. Step 4: Simplify right side
   108,687x = 53,739,701,033.06
5. Step 5: Solve for x
   x = 53,739,701,033.06/108,687
6. Step 6: Final answer
   x = 494,444.61