Finding the Third Proportional to 99,766.50 and 154,582.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,766.50 : 154,582.50 = 154,582.50 : x
2. Step 2: Convert to fraction form
   99,766.50/154,582.50 = 154,582.50/x
3. Step 3: Cross multiply
   99,766.50x = 154,582.50 × 154,582.50
4. Step 4: Simplify right side
   99,766.50x = 23,895,749,306.25
5. Step 5: Solve for x
   x = 23,895,749,306.25/99,766.50
6. Step 6: Final answer
   x = 239,516.76