Finding the Third Proportional to 4,945.50 and 10,074.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,945.50 : 10,074.50 = 10,074.50 : x
2. Step 2: Convert to fraction form
   4,945.50/10,074.50 = 10,074.50/x
3. Step 3: Cross multiply
   4,945.50x = 10,074.50 × 10,074.50
4. Step 4: Simplify right side
   4,945.50x = 101,495,550.25
5. Step 5: Solve for x
   x = 101,495,550.25/4,945.50
6. Step 6: Final answer
   x = 20,522.81