Finding the Third Proportional to 20,584.50 and 42,622.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,584.50 : 42,622.50 = 42,622.50 : x
2. Step 2: Convert to fraction form
   20,584.50/42,622.50 = 42,622.50/x
3. Step 3: Cross multiply
   20,584.50x = 42,622.50 × 42,622.50
4. Step 4: Simplify right side
   20,584.50x = 1,816,677,506.25
5. Step 5: Solve for x
   x = 1,816,677,506.25/20,584.50
6. Step 6: Final answer
   x = 88,254.63