Finding the Third Proportional to 20,768.50 and 45,042.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,768.50 : 45,042.50 = 45,042.50 : x
2. Step 2: Convert to fraction form
   20,768.50/45,042.50 = 45,042.50/x
3. Step 3: Cross multiply
   20,768.50x = 45,042.50 × 45,042.50
4. Step 4: Simplify right side
   20,768.50x = 2,028,826,806.25
5. Step 5: Solve for x
   x = 2,028,826,806.25/20,768.50
6. Step 6: Final answer
   x = 97,687.69