Finding the Third Proportional to 20,556.75 and 42,733.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,556.75 : 42,733.50 = 42,733.50 : x
2. Step 2: Convert to fraction form
   20,556.75/42,733.50 = 42,733.50/x
3. Step 3: Cross multiply
   20,556.75x = 42,733.50 × 42,733.50
4. Step 4: Simplify right side
   20,556.75x = 1,826,152,022.25
5. Step 5: Solve for x
   x = 1,826,152,022.25/20,556.75
6. Step 6: Final answer
   x = 88,834.67