Finding the Third Proportional to 45,550.50 and 99,876

Step by Step Solution

1. Step 1: Write the proportion equation
   45,550.50 : 99,876 = 99,876 : x
2. Step 2: Convert to fraction form
   45,550.50/99,876 = 99,876/x
3. Step 3: Cross multiply
   45,550.50x = 99,876 × 99,876
4. Step 4: Simplify right side
   45,550.50x = 9,975,215,376
5. Step 5: Solve for x
   x = 9,975,215,376/45,550.50
6. Step 6: Final answer
   x = 218,992.45