Finding the Third Proportional to 89,137 and 131,041.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,137 : 131,041.50 = 131,041.50 : x
2. Step 2: Convert to fraction form
   89,137/131,041.50 = 131,041.50/x
3. Step 3: Cross multiply
   89,137x = 131,041.50 × 131,041.50
4. Step 4: Simplify right side
   89,137x = 17,171,874,722.25
5. Step 5: Solve for x
   x = 17,171,874,722.25/89,137
6. Step 6: Final answer
   x = 192,645.87