Finding the Third Proportional to 20,153 and 41,940.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,153 : 41,940.50 = 41,940.50 : x
2. Step 2: Convert to fraction form
   20,153/41,940.50 = 41,940.50/x
3. Step 3: Cross multiply
   20,153x = 41,940.50 × 41,940.50
4. Step 4: Simplify right side
   20,153x = 1,759,005,540.25
5. Step 5: Solve for x
   x = 1,759,005,540.25/20,153
6. Step 6: Final answer
   x = 87,282.57