Finding the Third Proportional to 105,399.56 and 155,307.38

Step by Step Solution

1. Step 1: Write the proportion equation
   105,399.56 : 155,307.38 = 155,307.38 : x
2. Step 2: Convert to fraction form
   105,399.56/155,307.38 = 155,307.38/x
3. Step 3: Cross multiply
   105,399.56x = 155,307.38 × 155,307.38
4. Step 4: Simplify right side
   105,399.56x = 24,120,380,729.39
5. Step 5: Solve for x
   x = 24,120,380,729.39/105,399.56
6. Step 6: Final answer
   x = 228,847.07