Finding the Third Proportional to 45,399 and 89,635

Step by Step Solution

1. Step 1: Write the proportion equation
   45,399 : 89,635 = 89,635 : x
2. Step 2: Convert to fraction form
   45,399/89,635 = 89,635/x
3. Step 3: Cross multiply
   45,399x = 89,635 × 89,635
4. Step 4: Simplify right side
   45,399x = 8,034,433,225
5. Step 5: Solve for x
   x = 8,034,433,225/45,399
6. Step 6: Final answer
   x = 176,973.79