Finding the Third Proportional to 89,289 and 134,845.88

Step by Step Solution

1. Step 1: Write the proportion equation
   89,289 : 134,845.88 = 134,845.88 : x
2. Step 2: Convert to fraction form
   89,289/134,845.88 = 134,845.88/x
3. Step 3: Cross multiply
   89,289x = 134,845.88 × 134,845.88
4. Step 4: Simplify right side
   89,289x = 18,183,410,004.52
5. Step 5: Solve for x
   x = 18,183,410,004.52/89,289
6. Step 6: Final answer
   x = 203,646.70