Finding the Third Proportional to 89,269.50 and 134,815.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,269.50 : 134,815.50 = 134,815.50 : x
2. Step 2: Convert to fraction form
   89,269.50/134,815.50 = 134,815.50/x
3. Step 3: Cross multiply
   89,269.50x = 134,815.50 × 134,815.50
4. Step 4: Simplify right side
   89,269.50x = 18,175,219,040.25
5. Step 5: Solve for x
   x = 18,175,219,040.25/89,269.50
6. Step 6: Final answer
   x = 203,599.43