Finding the Third Proportional to 21,007.69 and 45,201.38

Step by Step Solution

1. Step 1: Write the proportion equation
   21,007.69 : 45,201.38 = 45,201.38 : x
2. Step 2: Convert to fraction form
   21,007.69/45,201.38 = 45,201.38/x
3. Step 3: Cross multiply
   21,007.69x = 45,201.38 × 45,201.38
4. Step 4: Simplify right side
   21,007.69x = 2,043,164,301.89
5. Step 5: Solve for x
   x = 2,043,164,301.89/21,007.69
6. Step 6: Final answer
   x = 97,257.93