Finding the Third Proportional to 2,172.09 and 4,733.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172.09 : 4,733.91 = 4,733.91 : x
2. Step 2: Convert to fraction form
   2,172.09/4,733.91 = 4,733.91/x
3. Step 3: Cross multiply
   2,172.09x = 4,733.91 × 4,733.91
4. Step 4: Simplify right side
   2,172.09x = 22,409,868.38
5. Step 5: Solve for x
   x = 22,409,868.38/2,172.09
6. Step 6: Final answer
   x = 10,317.17