Finding the Third Proportional to 108,687.50 and 231,819

Step by Step Solution

1. Step 1: Write the proportion equation
   108,687.50 : 231,819 = 231,819 : x
2. Step 2: Convert to fraction form
   108,687.50/231,819 = 231,819/x
3. Step 3: Cross multiply
   108,687.50x = 231,819 × 231,819
4. Step 4: Simplify right side
   108,687.50x = 53,740,048,761
5. Step 5: Solve for x
   x = 53,740,048,761/108,687.50
6. Step 6: Final answer
   x = 494,445.53