Finding the Third Proportional to 89,229 and 134,599.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,229 : 134,599.50 = 134,599.50 : x
2. Step 2: Convert to fraction form
   89,229/134,599.50 = 134,599.50/x
3. Step 3: Cross multiply
   89,229x = 134,599.50 × 134,599.50
4. Step 4: Simplify right side
   89,229x = 18,117,025,400.25
5. Step 5: Solve for x
   x = 18,117,025,400.25/89,229
6. Step 6: Final answer
   x = 203,039.66