Finding the Third Proportional to 30,861 and 41,863.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,861 : 41,863.50 = 41,863.50 : x
2. Step 2: Convert to fraction form
   30,861/41,863.50 = 41,863.50/x
3. Step 3: Cross multiply
   30,861x = 41,863.50 × 41,863.50
4. Step 4: Simplify right side
   30,861x = 1,752,552,632.25
5. Step 5: Solve for x
   x = 1,752,552,632.25/30,861
6. Step 6: Final answer
   x = 56,788.59