Finding the Third Proportional to 21,181.50 and 45,174.38

Step by Step Solution

1. Step 1: Write the proportion equation
   21,181.50 : 45,174.38 = 45,174.38 : x
2. Step 2: Convert to fraction form
   21,181.50/45,174.38 = 45,174.38/x
3. Step 3: Cross multiply
   21,181.50x = 45,174.38 × 45,174.38
4. Step 4: Simplify right side
   21,181.50x = 2,040,724,156.64
5. Step 5: Solve for x
   x = 2,040,724,156.64/21,181.50
6. Step 6: Final answer
   x = 96,344.65