Finding the Third Proportional to 108,685.50 and 233,439

Step by Step Solution

1. Step 1: Write the proportion equation
   108,685.50 : 233,439 = 233,439 : x
2. Step 2: Convert to fraction form
   108,685.50/233,439 = 233,439/x
3. Step 3: Cross multiply
   108,685.50x = 233,439 × 233,439
4. Step 4: Simplify right side
   108,685.50x = 54,493,766,721
5. Step 5: Solve for x
   x = 54,493,766,721/108,685.50
6. Step 6: Final answer
   x = 501,389.48