Finding the Third Proportional to 2,196.28 and 4,830.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.28 : 4,830.47 = 4,830.47 : x
2. Step 2: Convert to fraction form
   2,196.28/4,830.47 = 4,830.47/x
3. Step 3: Cross multiply
   2,196.28x = 4,830.47 × 4,830.47
4. Step 4: Simplify right side
   2,196.28x = 23,333,428.34
5. Step 5: Solve for x
   x = 23,333,428.34/2,196.28
6. Step 6: Final answer
   x = 10,624.06