Finding the Third Proportional to 89,819.50 and 124,885.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,819.50 : 124,885.50 = 124,885.50 : x
2. Step 2: Convert to fraction form
   89,819.50/124,885.50 = 124,885.50/x
3. Step 3: Cross multiply
   89,819.50x = 124,885.50 × 124,885.50
4. Step 4: Simplify right side
   89,819.50x = 15,596,388,110.25
5. Step 5: Solve for x
   x = 15,596,388,110.25/89,819.50
6. Step 6: Final answer
   x = 173,641.45