Finding the Third Proportional to 90,855.56 and 133,659.56

Step by Step Solution

1. Step 1: Write the proportion equation
   90,855.56 : 133,659.56 = 133,659.56 : x
2. Step 2: Convert to fraction form
   90,855.56/133,659.56 = 133,659.56/x
3. Step 3: Cross multiply
   90,855.56x = 133,659.56 × 133,659.56
4. Step 4: Simplify right side
   90,855.56x = 17,864,878,647.69
5. Step 5: Solve for x
   x = 17,864,878,647.69/90,855.56
6. Step 6: Final answer
   x = 196,629.44