Finding the Third Proportional to 10,500.47 and 21,972.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,500.47 : 21,972.94 = 21,972.94 : x
2. Step 2: Convert to fraction form
   10,500.47/21,972.94 = 21,972.94/x
3. Step 3: Cross multiply
   10,500.47x = 21,972.94 × 21,972.94
4. Step 4: Simplify right side
   10,500.47x = 482,809,982.38
5. Step 5: Solve for x
   x = 482,809,982.38/10,500.47
6. Step 6: Final answer
   x = 45,979.85