Finding the Third Proportional to 10,280.81 and 22,147.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,280.81 : 22,147.31 = 22,147.31 : x
2. Step 2: Convert to fraction form
   10,280.81/22,147.31 = 22,147.31/x
3. Step 3: Cross multiply
   10,280.81x = 22,147.31 × 22,147.31
4. Step 4: Simplify right side
   10,280.81x = 490,503,450.97
5. Step 5: Solve for x
   x = 490,503,450.97/10,280.81
6. Step 6: Final answer
   x = 47,710.57