Finding the Third Proportional to 89,604 and 121,763.25

Step by Step Solution

1. Step 1: Write the proportion equation
   89,604 : 121,763.25 = 121,763.25 : x
2. Step 2: Convert to fraction form
   89,604/121,763.25 = 121,763.25/x
3. Step 3: Cross multiply
   89,604x = 121,763.25 × 121,763.25
4. Step 4: Simplify right side
   89,604x = 14,826,289,050.56
5. Step 5: Solve for x
   x = 14,826,289,050.56/89,604
6. Step 6: Final answer
   x = 165,464.59