Finding the Third Proportional to 21,183.61 and 45,647.30

Step by Step Solution

1. Step 1: Write the proportion equation
   21,183.61 : 45,647.30 = 45,647.30 : x
2. Step 2: Convert to fraction form
   21,183.61/45,647.30 = 45,647.30/x
3. Step 3: Cross multiply
   21,183.61x = 45,647.30 × 45,647.30
4. Step 4: Simplify right side
   21,183.61x = 2,083,675,711.99
5. Step 5: Solve for x
   x = 2,083,675,711.99/21,183.61
6. Step 6: Final answer
   x = 98,362.64