Finding the Third Proportional to 21,181.50 and 45,849.94

Step by Step Solution

1. Step 1: Write the proportion equation
   21,181.50 : 45,849.94 = 45,849.94 : x
2. Step 2: Convert to fraction form
   21,181.50/45,849.94 = 45,849.94/x
3. Step 3: Cross multiply
   21,181.50x = 45,849.94 × 45,849.94
4. Step 4: Simplify right side
   21,181.50x = 2,102,216,768.75
5. Step 5: Solve for x
   x = 2,102,216,768.75/21,181.50
6. Step 6: Final answer
   x = 99,247.78