Finding the Third Proportional to 89,691 and 134,380.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,691 : 134,380.50 = 134,380.50 : x
2. Step 2: Convert to fraction form
   89,691/134,380.50 = 134,380.50/x
3. Step 3: Cross multiply
   89,691x = 134,380.50 × 134,380.50
4. Step 4: Simplify right side
   89,691x = 18,058,118,780.25
5. Step 5: Solve for x
   x = 18,058,118,780.25/89,691
6. Step 6: Final answer
   x = 201,337.02