Finding the Third Proportional to 103,616.50 and 155,809

Step by Step Solution

1. Step 1: Write the proportion equation
   103,616.50 : 155,809 = 155,809 : x
2. Step 2: Convert to fraction form
   103,616.50/155,809 = 155,809/x
3. Step 3: Cross multiply
   103,616.50x = 155,809 × 155,809
4. Step 4: Simplify right side
   103,616.50x = 24,276,444,481
5. Step 5: Solve for x
   x = 24,276,444,481/103,616.50
6. Step 6: Final answer
   x = 234,291.30